Radio waves travel at a speed of 300,000,000 m/s. WFNX broadcasts radio waves at a frequency of 101,700,000 Hz. What is the wavelength of WFNX’z radio waves?

The change in gravitational potential energy stored in 16 Jule.

Gravitational potential

In classical mechanics, of the  gravitational potential at in a  location is equal to the work per unit mass that's would be needed to Move an object to that locations from a fixed references  location. It is analogous to the electric potential with the mass playing the role of charge.

Sol-As per the given question ∆PE = mgh

M= skg

g= 4m/s^2

∆h = 2m

∆PE = 2m×4m×2m

= 16 Joules.

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Answer:

25m/s

Explanation:

Velocity Final is equal to velocity initial plus acceleration times time

(Vf=Vi+at)

Vi=0

A=5

T=5

Vf=0+5x5

vf=5x5

Vf=25 m/s

Explanation:

this question we need to find the amount of heat they just removed from 60 g of steam At 100°C. To change too 60 g of water two 20 degrees Celsius. The specific heat of liquid water As 4.184 jewel program degree Celsius specific heat of steam As 1.84 joules per gram degree C. Heat off vaporization of water to is 40.67. Kill a jewel family. First this 60 g of 18 has converted to 60 g of water at 100°C. As the heat removed will be en indu L status and as the number of malls and Elysa heat of vaporization, that is 40.67. Hello Joel palmer so that each one that is the heat removed is equal to 60 indu 40.65 divided by 18. That is the given Mars by Moller mass gives the number of moles. That is by 16 to 40.65 by 18. Such that H one. The heat remote is obtained us 1 35.5 kg jule. Now the water is converted from 100°C to 20 degrees Celsius. The heat at a more can be calculated by mm indu C'e, hindu deity. That is M is the mass. C is the specific heat capacity. That is 4.18 Joule per kilogram and DT is the change in temperature that is 100 minus 20. That is 80°C says that he'd removed H2 is equal to .06 Hindu 4.18. For in due 100 minus 20 obtained us 20 kg jokes. Thus the total heat. Little mood will be H one Plus H two. That is 1 35.5 plus 20 And it has obtained as 155.5 kilo jule.

A golf ball with a mass of 0.050 kg is at rest on the tee and accelerates to 102 m/s as soon as it is struck. The average force applied to the ball if the club and ball made contact for 0.94 ms is 6.3 kN.

Impulse is a term used to describe how a net force—a specific type of "moving force"—affects an object. An impulsive force is a strong force that acts quickly to cause a finite change in momentum. Impulsive forces were conceptualized separated from regular forces throughout science history.

Force times time equals change in momentum for an impulse.

F = mv/t

F = (0.050 kg)(102 m/s) / 0.81 ms × 10⁻³ = 6.3 kN

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The roller coaster slows down as it ascends yet another hill. Potential energy is created from kinetic energy.

The energy that an item has due to its height is called gravitational potential energy (PE = mgh), and it is equal to the mass of the object times its height times the gravitational constant. On a roller coaster, the gravitational potential energy is greatest at the top and lowest at the bottom. As the roller coaster speeds down the hill, the potential energy it had while on a slope is transformed into kinetic energy. The roller coaster slows down as it ascends yet another hill. Potential energy is created from kinetic energy.

The roller coaster is propelled by the conversion of potential energy to kinetic energy, and after it has descended the first hill, it has all the kinetic energy it will require for the trip. Once you're moving, various wheel designs contribute to a pleasant ride. The coaster's running wheels direct it along the track.

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Answer:

third one

Explanation:

x is always the least sum of a calculation as per as the chart it's nb-90

Sources of mineral resources are most commonly magma, sediments, or hydrothermal fluids.

Examples of mineral resources are iron, diamond, gold, silver, copper, aluminum, granite, marble, clay, salt, rare earths or fossil fuels.

What are mineral resources?

A mineral resource is a concentration of natural solid inorganic or fossilized organic matter, including metals, coal and minerals, in sufficient quantity and quality to have reasonable prospects for economic exploitation. This definition has a broader scope than mineral reserves that are likely to be economically recovered based on consideration of technical, economic, and legal concerns.

Mineral resources means minerals, naturally occurring solid inorganic substances, or naturally occurring solid fossilized organic substances (including base metals, precious metals, coal and industrial minerals), in or on the earth's crust, such Means concentrated or occurring in form and quantity and in its grade or quality. There are reasonable prospects for economic development. The location, quantity, grade, geological features and continuity of Mineral Resources are known, estimated or interpreted on the basis of specific geological evidence and knowledge.

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The force exerted on the system produces WD = 20J and K.E = 0.736J of work if a speed of a box that appears of ramp is 0.80 m/s.

At this point, describing a force as pushing or pulling is quite acceptable. There is no such thing as a force how an item "has in it" and "contains." A force is applied to one thing by another. The idea of the a force encompasses both living and non-living things.

Mass m = 23kg

Force F = 10N

Length of the ramp = 2m

Velocity V = 0.8m/s

The force's efforts on the system that results in

WF = F × D = 10 × 2.0 = 20 J

The force's efforts on the system that results in, u = 0.

dKE = ½mv² = 0.5 × 2.3 × 0.8 × 0.8

= 0.736 J

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Answer:

My own understanding of gravity is not correct for galaxy-size scales.

The Moon's phases would not change, and total solar eclipses would not be conceivable. A 5° angle separates the Moon's orbital plane from the Earth's (ecliptic) orbital plane.

The Moon could never entirely cover the solar disk if it were any smaller or orbited the Earth any further away. If the Moon were a little bit bigger or orbited the Earth a little bit closer, it would cover much of the sun's corona during totality, making eclipses far less impressive. One orbit of the moon around the Earth is completed in around one month.

There would be at least two eclipses per month if the moon orbited in the same plane as the ecliptic, the Earth's orbital plane. Ides would be far higher.The moon would produce eight times more powerful tidal forces (tides are inversely proportional to the cube of distance). The moon would seem in the night sky four times as brilliant and twice as large.

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The speed of propagation of the transverse wave in the wire is 4800 cm/s. The tension in the wire is 15.71 N and the maximum transverse acceleration is 11,105,600 cm/s².

A transverse wave is a type of wave in which the particles of the medium move in a direction perpendicular to the direction of energy propagation. Examples of transverse waves include light, radio, and other types of electromagnetic waves.

The speed of propagation is the speed at which a signal travels through a medium, such as a wire, fiber optic cable, or radio wave.

(a) Speed of propagation of the transverse wave in the wire =

v = λf

= (80.0 cm) (60.0 Hz)

= 4800 cm/s

b)Tension in the wire = F/A

= m(ω² X A_max) / A

= (40.0 g)(2π² X 60²  X 0.300 cm²) / (80.0 cm)²

= 15.71 N

(c) Maximum transverse velocity = A_max X ω

= 0.300 cm X 2π X 60 Hz

= 1842.4 cm/s

Maximum transverse acceleration = A_max X ω²

= 0.300 cm X (2π X 60)²

= 11,105,600 cm/s²

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The two cars will move with a velocity of 23m/s(optionB)

Linear momentum is the product of a system’s mass and its velocity. In equation form, linear momentum p is

p=mv.

Where m is the mass of the body and v is the velocity at which it moves.

The momentum of the first call = 2100× 25=52500kgm/s

The momentum of the second car = 1650×21= 34650kgm/s

The total momentum before collision = 52500+34650=87150kgm/s

momentum after collision= (2100+1650)v= 3750v

law of conservation of Linear momentum states that; momentum before collision = momentum after collision

Therefore 87150= 3750v

v = 87150/3750

v= 23m/s( nearest whole number)

Therefore the velocity of the two cars after collision is 23m/s.

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The number of stairs Sara must climb to cancel out the calories consumed is 11667 stairs

To obtain the number of stairs Sara much climb, we'll begin by obtained the total height. This can be obtained as follow:

E = mgh

946671.84 = 69 × 9.8 × h

946671.84 = 676.2 × h

Divide both sides by 676.2

h = 946671.84 / 676.2

h = 1399.99 m

Finally, we shall determine the number of stairs. Details below:

Number of stairs = Total height / height of one stair

Number of stairs = 139999 / 12

Number of stairs = 11667 stairs

Thus, the number of stairs is 11667 stairs

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Answer:

The rock hits the ground 29.25 m far from the point of drop.

Explanation:

We know,

s = ut + 1/2 at²

to find the time taken for the rock to hit the ground, where u is 0 and a = g,

2.1 = 4.9t²

t = 0.65

The horizontal distance covered in this time:

distance = speed x time

d = 45 x 0.65

d = 29.25 m

The Mass of the board is also 60kg when a 60 kg load is located at the very end of a uniform board of length l, which is supported one-quarter of the way from the end and is balanced.

The Mass of the board is also 60kg because of a 60 kg load is located at the very end of a uniform board of length l which is also balanced and supported by one end.

Given:

Load is located at the very end of a uniform board= 60Kg

length of uniform board = L

Now to find the mass of the board do as follows;

⇒FN(l/4)-Mg(l/4)-60g(l/4)=0

⇒Mg(1/4)=60g(1/4)

⇒M(mass)=60kg

Hence , the Mass of the board is also 60kg .

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The braking force that caused the car to skid to a stop is given by the equation:

Force = mass * acceleration

Plugging in the values for the mass of the car (2400 kg) and its acceleration (-7 m/s/s), we get:

Force = 2400 kg * (-7 m/s/s)

= -16800 N

This is the force that the brakes had to exert on the car in order to bring it to a stop. This force would have acted in the opposite direction to the car's motion, or to the right in this case.

In writing an essay you must consider the structure of the essay, Hence, the structure of the essay should be considered;

Generally, Individual factors, such as expertise, personal taste choice, emotions, hunger level, health status, special dietary requirements, ethnicity, and personal income, are some examples of these influences that make a contribution to an individual's food choices.

Other examples of these influences that contribute to a person's food choices include outside factors.

A person's religious beliefs may have a significant impact on the kinds of meals they purchase. For instance, individuals who follow the religion of Islam will not consume cattle or lamb that has not been killed using the halal procedure, but those who follow the religion of Jews will only consume items that have been certified as kosher.

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457280.13 8 J change in gravitational potential energy is needed.

where

m = 68 kj

H = 2574 ft

where = 32 5 ft

a )if Gravitational potential energy is zero at see level .

then at strating

point,

Equation

G. P . E ( Ui ) = mgh

Change in G PE ;

AU = UJ - Vi

= mgy- mgh = mg ( H-h)

= 68 x9.81 [2574 - 325 0.3048

AU = 457280' 138 Joules

at top

GPE ( Uf ) = mgy

P . E = 0

GPF = Gravitational potential Energy .

at Top ape = 0

b)then change in GPE ;

ΔU = U(top) - Vata

= 0 - [-mg ( 4-h )]

= mg ( H-h j

= 68 * 9 . 81 [ 257 4 - 325 ) 0.3048

ΔU = 45 7280 . 13 8 J.

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Therefore, if the slit width an is cut in half, the central maximum expands to double its original size.

A wave is an energetic disruption in a fluid that doesn't include any net particle motion. Elastic deformation, a change in pressure, an electrical or magnetic intensity, an electric potential, or a shift in temperature are a few examples.

The SI system for wavelength is the meter, which is frequently abbreviated as m. Frequency is measured using multiples or subdivision of a meter. Notably, exponential ratios of 10 are employed when widths are a key aspect.

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The complete question is-

Consider a wave passing through a single slit. What happens to the width of the central maximum of its diffraction pattern as the slit is made half as wide?

Its width does not change.

It becomes one-half as wide.

It becomes twice as wide.

It becomes one-fourth as wide.

It becomes four times wider

Answer:

A. Freezing point: Increase.

B. Melting point: Decrease

C. Boiling point:  Decrease​

Explanation:

As we go up in higher altitudes the air becomes on and less dense, hence the decrease in the water vapor content at such altitude leads to a decrease of boiling point.

Thus the air above is cool and much colder than at the ground surface. The vapor pressure is temperature-dependent and thus the melting point will decrease.

The strength of the magnetic force is inversely proportional to the square of distance between the magnets. Thus, as the distance increases, force between the magnets decreases.

Magnetic force, is the force generated by magnetic flux lines arised from a magnetic field.  A magnet have a south pole and north pole. There will be repulsive force between two like poles and attractive force between two unlike pole.

The force between two objects is always in inverse proportion with the distance and this is well explained by Coulomb's law of forces.

Thus, F ∝ 1/r² where, r is the distance.

Therefore, as the distance between two magnets increases the magnetic force between them decreases.

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A scientific law is something we can use to make a specific, concrete prediction. For example, the law of gravitation states that masses will attract each other, and you will find that this is always the case. However, it can also be used to make concrete statements about the properties of an object in the right conditions. For example, if a material were found that was not attracted to other objects with masses, we could say that the material has no mass (Option B).

A scientific law is a well sustained statement or model based on diverse hypotheses that were tested by using the scientific method, which additionally allows us to make predictions about certain questions raised by observing the natural world.

Scientific laws are based on experimentla and observational procedures that can be used to test all statements of the laws and thus also verified in their assumptions.

Therefore, with this data, we can see that scientific law is based on several well sustained assumptions that were tested by using the scientific method and thus conformed to make predictions about certain outcomes

Complete question:

Choose the right option. A scientific law is something we can use to make a specific, concrete prediction. For example, the law of gravitation states that masses will attract each other, and you will find that this is always the case. However, it can also be used to make concrete statements about the properties of an object in the right conditions. For example, if a material were found that was not attracted to other objects with masses, we could say that____

the material is charged.

the material has no mass.

the material must be floating.

the material has very little mass.

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The amount of work required to climb steps or to remain motionless while mounting a moving escalator is the same in both situations, however in the first case, the effort is in pushing the body upward, whereas in the second, it is in pushing the escalator downward.

In physics, the term "work" refers to the measurement of energy transfer that takes place when an item is moved over a distance by an external force, at least a portion of which is applied in the direction of the displacement.

The length of the path is multiplied by the component of the force acting along the path to calculate work if the force is constant. The work W is theoretically equivalent to the force f times the distance d, or W = fd, to represent this idea. Work is done when a force is applied at an angleα of to a displacement, or W = fd cosα.

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Answer: To determine the acceleration of an object in response to a net force, you can use the equation a = F/m, where a is the acceleration, F is the net force, and m is the mass of the object. In your case, the net force is 2.5 N and the mass of the object is 16.2 g. Since the units of force are in newtons and the units of mass are in grams, you will need to convert the mass to kilograms before plugging the values into the equation.

One kilogram is equal to 1000 grams, so 16.2 grams is equal to 0.0162 kilograms. Plugging this value into the equation, we get:

a = F/m

a = 2.5 N / 0.0162 kg

a = 154.32 m/s^2

Thus, the acceleration of the object in response to the net force of 2.5 N is 154.32 m/s^2.

Positive acceleration describes an increase in speed; negative acceleration describes a decrease in speed. Hence option C is correct.

Acceleration is defined as the speed at which an object's velocity changes over time. It is a vector quantity to accelerate. If a point or object travelling straight forward accelerates or decelerates, it is moving faster or slower.  The equation a = v/t denotes acceleration (a), which is the change in velocity (v) over the change in time (t).

When the car accelerates positively, its speed rises. As the car slows down, its speed decreases. Negative acceleration occurs when a force causes a body's velocity to decrease. Therefore, the body's negative acceleration can also be referred to as its deceleration.

Thus, positive acceleration describes an increase in speed; negative acceleration describes a decrease in speed. Hence option C is correct.

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Answer:

Bats sometimes break when the ball is hit with too much force, it could cause the ball to crack or even sometimes break the bat itself.

The term "climate change" refers to a long-term change in the average weather or climate.

Changes in the average temperature, the direction of the dominant wind, and the water cycle, which affects cloud cover and precipitation on earth, are the most obvious signs of the change. The size of ice caps and glaciers as well as desertification, wetlands, flooding from rivers that overflow their banks, and desertification are all affected by these changes. Long-term climate changes also have an impact on sea currents, sea level, and seawater salinity.

The observed global warming at the turn of the 20th century brought climate change to light. There have been times in the past that were particularly hot and humid on land or extremely hot and dry. On Earth, it has also been much colder than it is right now, such as during the ice ages. The polar regions and areas near latitudes with a moderate climate today show the biggest variations in climate between the various periods.

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Answer: yo  your in high bro  u need to learn this stuff if you want to past u fell me ? Explanation: