jordan wants to see if earthworms prefer rough or smooth terrain to crawl through. What will be his independent variable

Answers

Answer 1

The independent variable in this investigation is the type of surface which is changing whereas, the dependent variable is the mobility of earth worm.

What is independent variable?

In a experiment or investigation, there are two types of variables which are dependent and independent variable. Dependent variable are those which are dependent on other variables and are changing with respect to other variables.

Independent variables are those not dependent on any other variables and  we can change the independent variable to study the change in dependent variable.

Here, the one we studying is the mobility of earth worm which is the dependent variable and the type of surface rough or smooth is the independent variable.

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Related Questions

which of the following causes low lung compliance as a result of last of electrical lung tissue destruction

Answers

Interstitial lung disease is low lung compliance as a result, last of electrical lung tissue destruction.

Interstitial lung disorders brought on by breathing in particles like silicon and asbestos (asbestosis) can cause low lung compliance (silicosis).

Lungs and the pleural cavity have the capacity to expand and contract in response to variations in pressure. Lung compliance, which is a key determinant of lung health and function, is defined as the volume change per unit of pressure change across the lung. Lung compliance varies between inhalation and expiration because measurements of lung volumes vary between the two at the same pressure. Depending on whether only volume and pressure are measured (static) or whether their variations over time are also recorded, lung compliance can be classified as either static or dynamic.

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A 1kg rock is dropped 50m off a bridge. How much PE did it have

before it was dropped?

Answers

In this case, a body of mass 5 kg kept at a height of 10 m. So, the potential energy is given as 500 J.

Which energy has potential?

An object's potential energy is its stored energy. This energy has the capacity to be productive. An object's potential energy is provided by gravity. Gravity's downward force is the source of this potential energy.

The acceleration brought on by gravity is known as the gravitational constant, or g. On Earth, this acceleration is equivalent to 10 metres per second. PE = mgh is the equation for potential energy resulting from gravity. The object's potential energy declines and its kinetic energy rises as it approaches the ground.

Briefing:

Potential Energy = 5 x 10 x 10 = 500J.

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8) An object is attached to a hanging unstretched ideal and massless spring and slowly lowered to its equilibrium position, a distance of 6.4 cm below the starting point. The mass is then pulled so the spring is stretched to a length of 9.6 cm. How fast will the mass be moving when it reaches the equilibrium position?

Answers

Work is accomplished by stretching or compressing a spring. Elastic potential energy is stored in the spring. It is recommended to expand the spring up to 12.8 cm.

What happens to the elastic potential energy that is stored in a spring when work is done to extend it?

Elastic potential energy is stored in the spring as a result of the work required to stretch or compress it. A spring's elastic potential energy is equal to one-half the sum of its spring constant times its deformation squared.

When a spring is stretched or compressed from its initial resting position, where is the elastic potential energy stored?

We'll talk about elastic potential energy as the second type of potential energy. The energy that is trapped in elastic materials as a result of their stretching or compression is known as elastic potential energy.

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is the electron's speed at f greater than, less than, or equal to its speed at i?
O The electron's speed at f is less than its speed at i. O The electron's speed at f is equal to its speed at i. O The electron's speed at f is greater than its speed at i. O There is not enough data to determine the correct answer.

Answers

The correct option is B, The electron's speed at f is equal to its speed at i.

Electrons are subatomic particles that are found in atoms. They are the negatively charged particles that orbit the nucleus of the atom, and they have an extremely small mass. Electrons travel at different speeds depending on their energy level. At their lowest energy level, electrons move at an extremely slow speed, about one thousandth of the speed of light. As the electrons gain energy, their speed increases.

In a vacuum, when electrons have the highest energy level, they can travel at a speed of nearly the speed of light, which is around 186,000 miles per second. In a vacuum, the electrons would have the same speed regardless of their mass. Electrons also move slower inside a material, such as a metal, due to the presence of other atoms. Electrons in metals usually move at a speed of about 1/10th the speed of light. This slower speed is due to the electrons having to pass through energy barriers created by the other atoms in the metal. In general, electrons are very fast particles that can travel at speeds up to nearly the speed of light.

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Mess Me and You will have nonsense Explain how this riddle relates to mutation in DNA

Answers

Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix.

What makes a nonsense mutation nonsense?

A nonsense mutation occurs in the DNA when a sequence changes itself and gives rise to a stop codon rather than a codon specifying an amino acid. The presence of the new stop codon results in the production of a shortened protein that is non-functional.

A nonsense mutation is also known as base substitution which results in a stop codon in such a position from where there was not one before, which causes the premature termination of protein synthesis and, more than likely, a complete loss of function in the finished protein.

So we can conclude that a nonsense mutation always causes a loss of amino acids.

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A truck travels due east for a distance of 1.4 km, turns around and goes due west for 7.7 km, and finally turns around again and travels 2.6 km due east. (a) What is the total distance that the truck travels

Answers

The total distance that the truck travels is 11.7 km

Part (a)

The algebraic sum of the various distances results in the total distance covered by the trucks.

DT = d1 + d2 + d3

So, total distance that the truck travels = 1.4 + 7.7 + 2.6 = 11.7 km

Part (b) Question is missing :

(b) What are the magnitude (in km) and direction of the truck's displacement? (Enter a number.)

magnitude   #?   km

direction? east, west or neither.

The quickest route taken by the object to get from one spot to another is called displacement.

As the truck travels in three directions, from east to west to east, it begins out from the east. Think of the east as being good and the west as being negative. As a result, the displacement can be calculated as shown below.

D =d1 - d2 + d3 = 1.4 - 7.7 + 2.6 = 1.4 - 5.1 = -3.7 km

Here, the negative sign shows that the truck has displaced in the west direction.

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What is momentum Mcq?

Answers

L=rp Angular Momentum the linear momentum p. Moment of momentum is another name for angular momentum.

How do you gain traction?

List the object's mass and speed in step one. Convert any values into SI units in step two (kg, m, s). Step 3: To calculate an object's momentum, multiply the object's mass and velocity.

Can there be negative momentum?

Momentum can go wrong. As a vector quantity with both magnitude and direction, momentum has both. The sign, positive or negative, in physics serves as a cue as to the direction. Positive amounts normally signify a forward or upward motion, whereas negative quantities typically indicate a backward or downward motion.

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What is momentum?

Twice each lunar month, all year long, these tides occur. Whenever the moon, earth, and sun are aligned, the gravitational pull of the sun ___ to that of the moon causing ___ tides.


A. Adds ; neap


B. Adds ; maximum


C. Interferes ; neap


D. Interferes ; minimum


i need the answer now so just the answer and not a long explanation would be great ! thanks !

Answers

These tides occur twice each lunar month throughout the entire year. When the earth, moon, and sun are all in alignment, neap tides are produced by the sun's gravitational pull amplifying that of the moon.

When the sun and moon are both on the same side of the Earth, what tides occur twice a month?

Instead, the phrase refers to the idea of the tide "springing forth." Regardless of the season, spring tides happen twice each lunar month. Neap tides happen when the sun and moon are at right angles to one another, which also happens twice a month.

What are the names of moon tides?

The sun, the form of the ocean, and the moon all have an impact on how much or little the tide rises or falls on Earth. Moon tides are the results of the moon's influence on the Earth's tides. The major subject of this article is moon tides.

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A mass on the end of a spring undergoes simple harmonic motion. At the instant when the mass is at its equilibrium position, what is its instantaneous velocity?
A.Instantaneous velocity cannot be determined without additional information
B.At equilibrium, its instantaneous velocity is less than its maximum but not zero.
C.At equilibrium, its instantaneous velocity is at maximum
D.At equilibrium, its instantaneous velocity is zero.

Answers

At the instant when a mass is at its equilibrium position when undergoing simple harmonic motion, its instantaneous velocity is its maximum.

Therefore the answer is C. At equilibrium, its instantaneous velocity is at maximum

The simple harmonic motion is periodic motion that oscillates around an equilibrium position. At the equilibrium position, the net force on the mass is zero. Therefore, the mass is not accelerating, so its instantaneous acceleration is zero.

The motion is periodic, meaning it repeats itself at regular intervals of time. In the case of a mass on the end of a spring, the spring exerts a force on the mass that acts to bring it back to its equilibrium position. When the mass is at the equilibrium position, the spring force is zero, and the mass is not accelerating. Therefore, the acceleration is maximum at it ends and decreases to zero at equilibrium position.

The instantaneous velocity is zero at the end as it changes direction of motion, though the acceleration is decreasing from end position to equilibrium, velocity is increasing. The instant after equilibrium position, the acceleration is in opposite direction decreasing the velocity till it is zero at the end position.

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30 points!

Which statement accurately describes a similarity all planets share?

They lack enough gravity to clear their orbit of debris.

They orbit the satellites of other planets.

They are very close in comparative densities.

They have sufficient gravity to make themselves round.

Answers

Statement D. They have sufficient gravity to make themselves round accurately describes a similarity between all planets in terms of this movement and the presence of mass to form such a celestial body.

Why do all planets have gravity and orbit around major celestial bodies?

All planets need to have gravity in order to orbit around major celestial bodies, i.e., stars such as in the case of the earth planet or Mars, they orbit around the Sun which is the star of the solar system. The presence of the attractive force of gravity allows planets to move in a cycle across their stars.

Therefore, with this data, we can see that all planets have gravity and orbit around major celestial bodies and thus they can be considered to share the particularity to have a well defined orbit due to the presence of mass.

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A plane flying at the speed of 150. M/s is accelerated uniformly at a rate of 5. 00 m/s^2


a. What is the plane's speed at the end of 10. 0 seconds?

b. What distance has it traveled?

Answers

The plane's speed at the end of 10.0 seconds is 200 m/s and the distance it has travelled is 1750 meters.

The initial speed of the plane, u = 150 m/s

Acceleration of the plane, a = 5 m/s²

Time, t = 10 sec

We can find the plane's speed at the end of 10. 0 seconds by the formula

a = (v - u)/ t

⇒5 = (v - 150)/ 10

⇒50 = v - 150

⇒v = 150 + 50

⇒v = 200 m/s

Now, to find the distance it has travelled we will use the kinematic equation

v² = u² + 2as

⇒200² = 150 ² + 2 × 5 × s

⇒40000 = 22500 + 10s

⇒17500 = 10 s

⇒s = 1750 m

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What is the acceleration of a 56 kg object pushed with a force of 800 newtons?

Answers

Answer:

The acceleration of an object can be calculated using Newton's second law of motion, which states that the force acting on an object is equal to the mass of the object multiplied by its acceleration. The equation is:

F = ma

where F is the force, m is the mass, and a is the acceleration.

So, if we know the mass of the object (m = 56 kg) and the force acting on it (F = 800 N), we can calculate the acceleration (a) by dividing the force by the mass:

a = F / m

a = 800 N / 56 kg

a = 14.28 m/s^2

So the acceleration is 14.28 m/s^2

If an object was traveling horizontally off a cliff at 6 m/s for 3 seconds, how long did it take to
hit the ground?

Answers

The time taken by the object to hit the ground is 1.8 seconds.

What do you mean by gravitational force?

The attraction that draws two objects together is known as gravitational force, sometimes referred to as gravity. Every mass-containing object pulls on nearby things gravitationally in a sizable way.

The time it takes for an object to hit the ground after being dropped off a cliff can be calculated using the formula:

t = √(2*d/g)

where t is the time, d is the distance fallen, and g is the acceleration due to gravity.

In this case, we don't know the distance fell, but we can use the horizontal velocity and time of travel to find it:

d = v * t

where v is the velocity (6 m/s), and t is time (3 seconds)

d = 6 * 3 = 18 m

Now we can use the distance fallen to calculate the time it takes to hit the ground:

t = √(2*d/g)

g is approximately 9.8 m/s^2

t = √(2*18/9.8) = √ (3.6) = 1.8 seconds

So, it takes 1.8 seconds for the object to hit the ground after traveling horizontally off a cliff at 6 m/s for 3 seconds.

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A crate is carried in a pickup truck traveling horizontally at 15.0 m/s. The truck applies the brakes for a distance of 28.7 m while stopping with uniform acceleration. What is the coefficient of static friction between the crate and the truck bed if the crate does not slide

Answers

The truck bed and the crate's static coefficient of friction, assuming the crate doesn't slide, is 0.400.

In the event that the container does not slide, what is the coefficient of static friction between the crate and the truck bed?

Between the truck bed and the crate, there is 0.64 coefficient of static friction. When the bed is in the position depicted, the truck must move quickly to the right in order to make the crate slide.

The coefficient of static friction can be calculated in what way?

The resistive friction force (Fr) divided by the normal or perpendicular pushing force (N) yields the coefficient of friction, which is a numerical value. The formula fr = Fr/N is used to represent it.

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What causes diffusion in cells?

Answers

The causes diffusion in cells are,  temperature, area of interaction, the size of the concentration gradient.

1) Temperature, The rate of diffusion increases as temperature rises.

2) Area of Interaction: The rate of diffusion increases as the surface area of interacting molecules increases.

3) The Size of the Concentration Gradient: The rate of diffusion is higher the greater the concentration gradient between the regions.

Higher the rate of diffusion, the more concentration between the locations. The movement is forced because of the increased pressure that the higher concentration creates. The movement of molecules from a location of higher concentration to a region of lower concentration can be used to define diffusion. The continuous motion (or kinetic energy) of atoms in matter is the primary cause of diffusion.

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To find the acceleration of a glider moving down a sloping air track, you measure its velocities (V1 and V2) at two points and the time t it takes between them, as follows:V1=0. 21+/- 0. 05m/s, V2=0. 85 +/- 0. 05m/s, t=8. 0 +/- 0. 1sa) Assuming all uncertainties are independent and random, find the average acceleration, a=(v2-v1)/t , and its uncertainty. B) How well does your result in part (a) agree with your friends theoretical prediction that a=0. 13 +/- 0. 01m/s^2

Answers

0.08 m/s2 is the average acceleration. The acceleration's degree of uncertainty is 0.0135 m/s2.

Describe acceleration.

Accelerations are included in vector quantities. An object's acceleration in relation to a net force is determined by the direction of that force. Force imbalances lead to acceleration in a body.

Uniform, non-uniform, and average acceleration are the three primary types of accelerated motions. It is said to have uniform acceleration when an object moves in a straight line with an increase in speed that happens at regular intervals of time.

Acceleration is the term used to describe any change in the speed or direction of a motion. Anything that is accelerating is moving faster, slower, or in a direction other than straight forward.

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HELP HELP HELP HELP
DONT ANSWER IF YOU DONT KNOW!!!!!!!

Answers

The acceleration in Case A is four times that of Case B.

What is acceleration?

Acceleration is the rate of change of velocity of an object. It is the measure of how quickly an object changes its velocity over time, represented by the equation a = (v-u)/t, where a is the acceleration, v is the final velocity, u is the initial velocity, and t is the time. Acceleration can be either positive or negative; a positive acceleration indicates an increase in velocity while a negative acceleration indicates a decrease in velocity.

This is because the acceleration of an object in uniform circular motion is given by the equation a = v^2/r, where a is the acceleration, v is the speed, and r is the radius of the circle. Because the speed in Case A is half that of Case B, the acceleration will be one-fourth that of Case B. However, because the radius in Case A is two times that of Case B, the acceleration will be four times that of Case B.

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Two pole-vaulters just clear the bar at the same height. The first lands at a speed of 8.85 m/s, while the second lands at a speed of 9.31 m/s. The first vaulter clears the bar at a speed of 1.17 m/s. Ignore air resistance and friction and determine the speed at which the second vaulter clears the bar.

Answers

Using the strain energy that the pole has stored in it, the running athlete's kinetic energy is transformed into the potential energy needed to jump.

What equation is used to calculate the maximum height of a pole vault?

Males employ the formula: h= 0.60 * [male height] + 12(v2/g), whereas females use h= 0.55 * [female height] + 12(v2/g).

It is merely an instance of energy being exchanged. If an athlete can run at 10 m/s and we calculate g as 10 m/s/s, the height equals 5 m.

Each vaulter has three tries to clear a particular height during a competition. In order to fall readily if touched, a bar is supported by two uprights. Up until a winner is determined through the process of elimination, it is raised gradually.

There has been a failed trial. A competitor's pole breaking while trying to clear the bar is not considered a trial or failure. No one is permitted to touch the vaulting pole.

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A ball is thrown upward from the ground with an initial velocity of 2.13 m s-1. How long does the ball take (in millisecond, ms) to reach the maximum height

Answers

The time it takes for the ball to reach its maximum height is 745 milliseconds.

What is time?

Time is defined as a scalar quantity that describes the progression of events in the universe. It is often considered to be the fourth dimension of spacetime, along with the three dimensions of space. Time is closely related to the concepts of causality, or the relationship between cause and effect, and is considered to be a fundamental aspect of the physical universe.

To find the time it takes for the ball to reach its maximum height, we need to use the equation:

1/2 * a * t^2 + v * t + d = 0

where a is the acceleration due to gravity (-9.8 m/s^2), t is the time, v is the initial velocity (2.13 m/s), and d is the initial displacement (0 m, since the ball is thrown upward from the ground).

We know that the ball is thrown upward and reaches its maximum height, so it is subject to a constant acceleration due to gravity in the downward direction. Therefore, the acceleration is -9.8 m/s^2.

The time to reach the maximum height can be found by solving the above equation for t.

t = sqrt(-2*d/(a+v))

t = sqrt(-2*0/(-9.8+2.13))

t = sqrt(2*2.13/(9.8-2.13))

t = sqrt(4.26/7.67)

t = sqrt(0.555)

t = 0.745s

To get the time in milliseconds:

t = 0.745s * 1000ms/s = 745 ms

Therefore, the time it takes for the ball to reach its maximum height is 745 milliseconds.

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1. What is the
momentum of a 1.5 × 103-kilogram car
as it travels at 30. meters per second due east for 60.
seconds?
A) 4.5 x 104 kg m/s, east
B) 4.5 x 104 kg.m/s, west
C) 4.5 x 106 kg•m, east
D) 4.5 x 106 kg•m, west

Answers

A 1.5 x 103 kg car's momentum is equal to 4.5 x 104 kg m/s east if it moves at a speed of 30 m/s for 60 seconds while traveling straight east.

What is momentum ?

Momentum is a property of an object or system that describes its tendency to move or stay in motion. It is equal to the product of the mass of the object and its velocity. Momentum is conserved, meaning that the total momentum of an isolated system remains constant, regardless of any changes or interactions within the system. Momentum is an important concept in classical mechanics, and is directly related to forces, energy, and angular momentum. Momentum is an essential factor for describing the behavior of objects in motion.

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(Interplanetary Science) its 2 questions about the moon

Answers

The above prompt is related to Interplanetary Science or Astronomy.

1) The diagram that best represents the appearance of the Moon at position P 'When viewed from the Earth is Option A.

2) The factor that most likely caused the difference in the apparent size of the Moon in photographs A and B is: "The distance from the Earth to the Moon changed." (Option D).

What is Interplanetary Science?

The study of planets and other objects in our solar system is known as interplanetary science. Telescopes, satellites, and other technologies are used by scientists to understand more about these objects and how they developed and evolved through time.

It also entails researching the possibility of life on other planets and moons, as well as learning about the solar system's past and future.

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What did Galileo discover when he dropped two cannon balls into f different weights from the leaning tower of pisa

Answers

Answer: The time it took for them to fall ere the same.

Explanation:

The only difference was because of resistance, weight doesn't affect the speed of gravity, the speed of gravity stays the same (9.801 meters per second)

Which of the following graphs best illustrates how the intensity of sound varies as a detector is moved further and further from a stationary source projecting sound in all directions

Answers

The graph that best illustrates how the intensity of sound varies as a detector is moved further and further from a stationary source projecting sound in all directions would be an inverse square law graph. This graph would show that the intensity of sound decreases as the distance from the source increases. The intensity of sound is inversely proportional to the square of the distance from the source.

This means that if the distance from the source is doubled, the intensity of sound is decreased by a factor of four. This relationship is commonly observed in physics and engineering and is known as the inverse square law of sound propagation. This law states that the intensity of sound decreases as the distance from the source increases in a manner that is inversely proportional to the square of the distance.

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How does Accenture myNav Green Cloud Advisor integrate sustainability?

Answers

Accenture can assist its clients in being more sustainable thanks to the myNav. By making it easier to create cloud solutions that lower carbon emissions by rearranging manufacturing facilities such that carbon emissions can be calculated with ease.

by establishing new corporate efforts to lower transportation expenses and by establishing new rules for the disposal of out-of-date technology.

Accenture can assist its clients in becoming more sustainable by using mynav to locate, assess, architect, and simulate an end-to-end solution at scale.

reduces the expense of transportation

creates a design that is appropriate and aids the customer in becoming more sustainable.

establishes sustainable guidelines for disposing of outdated technology.

myNav Green Cloud Advisor assists businesses in developing cloud solutions that cut carbon emissions and create a platform for ethical innovation. Green Cloud Advisor starts by establishing a baseline for the energy usage, compute needs, and sustainability objectives of current data centers. through promoting the development of cloud technologies that cut down on carbon emissions

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A proton accelerates from rest in a uniform electric field of 660 N/C. At one later moment, its speed is 1.10 Mm/s (nonrelativistic because v is much less than the speed of light). (a) Find the acceleration of the proton. .81 Incorrect: Your answer is incorrect. m/s2 (b) Over what time interval does the proton reach this speed

Answers

Q is the charge's magnitude, V is its velocity, X is the angle formed by the magnetic field's direction and the charge's motion, and B is the strength of the magnetic field.

We must divide this amount by the mass of the charged particle or particles in order to determine the acceleration. Its speed at a later time is 1. 20 Mm/s (non relativistic because v is much less than the speed of light). When a refractive index diminishes over time, light shifts its frequency, which is referred to as photon acceleration [13,14]. Similar to charged particle acceleration, a rise in group velocity is accompanied by an increase in photon energy, or frequency.

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A system that has a total change in entropy of 675 J/K and has received 243 J of heat energy will be at what temperature?

Answers

The required temperature of the system which has a certain entropy change and receives heat energy is 273.36 °C.

Given that,

The change in entropy of the system = 675 J/K

Heat energy = 243 J

Temperature of the system = ?

The temperature of the system is calculated below.

ΔS = ΔH/T

where,

ΔH is the heat energy

ΔS is the change in entropy of the system

T = ΔH/ΔS = 243/675 = 0.36 K

By converting temperature in kelvin to temperature in degrees centigrade, we get,

T = 273 + 0.36 = 273.36 °C

Thus, temperature of the system which has a certain entropy change and receives heat energy is 273.36 °C.

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An air puck of mass 0.304 kg is tied to a string and allowed to revolve in a circle of radius 0.44 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 1.15 kg is tied to it. The suspended mass remains in equilibrium while the puck revolves. 0.44 m v 1.15 kg 0.304 kg What is the tension in the string

Answers

The tension in the string can be found by using the equation for centripetal force. which is equal to 150.

This equation states that the centripetal force (Fc) is equal to the mass of the object (m) multiplied by the square of the velocity (v) and divided by the radius (r). Therefore,

Fc = m x v²/r.

In this case, the centripetal force is equal to the tension in the string, so the tension in the string (T) can be found by rearranging the centripetal force equation to

T = m x v²/r.

Substituting in the given values for mass (m) and radius (r) gives

T = 0.304 kg x (2.83 m/s)²/0.44 m

T= 150N

Therefore the tension of the string is 150N

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At a particular speed, a jumbo jet can travel its own length in 20 seconds. At this same speed, the jumbo jet taxied completely past a 710-foot-long hangar in 70 seconds, as shown. What is the length of the jumbo jet in feet

Answers

A jumbo jet can fly its whole length in 20 seconds at a certain speed and has a 284-foot length. The big jet taxied completely past a 710-foot-long hangar in 70 seconds while travelling at the same speed.

In physics, you can get average speed by dividing the total distance travelled by the total time needed to travel that distance. Speed is the rate of change in an object's position, expressed in metres per second. The rate at which an object travels a distance is considered its speed. High speed describes an object that is travelling quickly.

P should represent the plane's length in feet.

20p = (710+p)/20p = 14200+20p 50p = 14200 p = 284ft

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Why would a parcel of air rise relative to other air in the atmosphere?
a. A parcel of air will rise if it has a lower density than the surrounding air.
b. A parcel of air will rise if the air in the parcel has a lower mass than the surrounding air.
c. A parcel of air will rise if it has a higher density than the surrounding air.
d. A parcel of air will rise if the air in the parcel has a higher mass than the surrounding air.

Answers

A) A parcel of air will rise if it has a lower density than the surrounding air.  is the relative order of air in the atmosphere.

In the atmosphere, air moves from high pressure to low pressure areas. When a parcel of air is heated, it expands and becomes less dense than the surrounding air. As a result, the parcel of air rises because it is less dense than the surrounding air, which creates a lower pressure area.

This process is known as convection and is responsible for many weather phenomena such as thunderstorms and cloud formation. In contrast, if a parcel of air cools and becomes more dense, it sinks because it creates a higher pressure area than the surrounding air.

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If a ball is rolling with 5 pounds of force, how much force will be needed to stop the ball from rolling and why?

A

It would take 25 pounds of force to stop the ball from rolling because it takes five times as much force to stop as object.


B

It would take 2. 5 pounds of force to stop the ball from rolling because it takes half of the amount of force to stop an object.


C

It would take 10 pounds of force to stop the ball from rolling because it takes double the amount of force to stop an object.


D

It would take 5 pounds of force to stop the ball from rolling because the same amount of force must be used to stop the object

Answers

It would take 5 pounds of force, that is equal force, to stop the ball from rolling because the same amount of force must be used to stop the object.

According to Newton's third law of motion, every action which is occurring in nature has an equal as well as an opposite reaction. For instance, if a particular object A happens to exert a force on another object B, then  object B will also be exerting an equal as well as an opposite force on  object A.

If a particular ball is rolling with 5 pounds of force then the same amount of reaction will be required to bring it to rest. That is, equal force of 5 pounds will be required to stop the ball.

Hence, option D is the correct option.

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