URGENT LAB QUESTIONS
Graded Assignment
Lab Report: Creating and Interpreting Graphs
Answer each question, using complete sentences. When you have finished, submit this assignment to your teacher by the due date for full credit.
Total score: ____ of 25 points
(Score for Question 1: ___ of 6 points)
1. Which variable did you choose for the independent variable? Which variable did you choose for the dependent variable? Explain.
Answer:

(Score for Question 2: ___ of 12 points)
2. How did the masses affect the spring? Which mass stretched the spring the farthest? The least? Explain your answer using your data. Include your data sheet and the graph of your data in your answer.
Answer:
Type your answer here.
(Score for Question 3: ___ of 7 points)
3. Describe your graph, was it linear or nonlinear? What conclusions can you draw based on the shape of the graph?
Answer:
Type your answer here.

It would be a diode, also called a rectifier. It's used in electronic circuits to control the flow of current between two points.

Individual electronic parts, such as resistors, transistors, capacitors, inductors, and diodes, are connected by conductive wires or traces that allow electric current to pass through them to form an electronic circuit. It is a particular kind of electrical circuit, and typically at least one active component is required for it to be called an electronic circuits as opposed to an electrical one. Signals may be amplified, calculations can be made, and data can be sent from one location to another thanks to the combination of components and connections.

Typically, an electronic circuits can be classed as an analogue, digital, or mixed-signal circuit within rectifiers. The MOSFET is the semiconductor component utilised in electronic circuits the most (metal-oxide-semiconductor field-effect transistor).

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The magnitude of the acceleration of the object that can be calculated from the measurements is compared to the "centripetal acceleration" that can be calculated from the speed and the radius is [tex]a_{c}[/tex] = r ( α t )²

The magnitude of the acceleration of the object that can be calculated the measurements is Angular acceleration. If angular velocity and time are given,

α = ω / t

α = Angular acceleration

ω = Angular velocity

t = Time.

[tex]a_{c}[/tex] = v² / r

[tex]a_{c}[/tex] = Centripetal acceleration

v = Tangential velocity

r = Radius

Rearranging angular acceleration formula as,

ω = α t

v = r ω

[tex]a_{c}[/tex] = v² / r

[tex]a_{c}[/tex] = ( r ω )² / r

[tex]a_{c}[/tex] = r² α² t² / r

[tex]a_{c}[/tex] = r ( α t )²

This is the relation between angular acceleration and centripetal acceleration.

Therefore, the comparison is [tex]a_{c}[/tex] = r ( α t )²

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The boat's speed relative to the ground when it is heading east with the current is 18.7 m/s and west against the current is -14.1 m/s.

In the first case,

The velocity of the boat concerning water= 16.4 m/s

The velocity of the water concerning ground= 2.3 m/s

By using the formula of relative velocity:

V(b, g)= V(b, w) + V(w, g)

V(b, g)= 16.4i + 2.3i m/s

V(b, g)= 18.7i m/s

Hence, the magnitude of the velocity of the boat concerning the ground is 18.7 m/s along the current.

In the second case,

The velocity of the boat concerning water is -16.4 m/s

The velocity of the water concerning the ground is 2.3 m/s

By using the formula for relative velocity:

V(b, g)= V(b, w) + V(w, g)

V(b, g)= -16.4i + 2.3i

V(b, g)= -14.1i m/s

Hence, the magnitude of the velocity of the boat concerning the ground is -14.1 m/s against the current.

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Answer:

1.solid

2.gas

3.liquid

4.liquid and gas

5.gas

6.liquid

7.gas

8.liquid and gas

The correct answer is option D: index finger and thumb are flattened against the handle

All of the following are true of neutral hand position except the index finger and thumb are flattened against the handle.

When the wrist is straight or lightly bent then it is said to be in a neutral position.

Our neutral hand position refers to the palm of the hand being held in an open and relaxed position.

Similarly, the hand will be in a neutral position if the fingers apply light pressure against the instrument handle.

Another example is if we hold a glass full of water, then we will see that our thumb and forearm are aligned with respect to each other.

In the above-mentioned case, the hand will be in a neutral position.

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If a wave is longitudinal that means that it is travelling in the exact same direction, at the exact same angle as the medium in which it is propagating. You can think of it like a stretched out slinky. If you push the slinky forward a little and then pull it back to its original position, a wave travels in the direction of the slinky's coils. Sound waves are just like that but the medium is all the particles that constitute air.

The average speed of a body traveling on a road is 6.5 km/h.

What speed is typical? The total distance something has traveled is divided by the total amount of time it took to traverse that distance to arrive at its average speed. Speed is the current rate of movement of something. Average speed refers to the pace that a vehicle travels at on average throughout a trip.

Meter per second is the S.I. unit of speed. In km/h, speed is also expressed.

Average Speed is calculated as Total Distance x Total Time.

The average speed of a body traveling on a road is 6.5 km/h.

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Answer:

A. 0s to 1s

Explanation:

ok bro hav a nise dey

The oil filter for our car to be tightened with a torque of 30 n⋅m. we are using a 15-cm-long oil filter wrench, and we apply a force at the very end of the wrench in the direction that produces maximum torque is 200N.

A force is an effect that can alter an object's motion according to the physics. A force can cause object with mass to accelerate when it changes its velocity, for as when it moves away from rest. An obvious way to describe the force is as a push or a pull. A force is a vector quantity since it has both the magnitude and direction. It is calculated using newton SI unit (N). Force is denoted by the letter F. (formerly P).

The net force acting on an object is equal to rate at which its momentum varies over time, according to Newton's second law in its original formulation. This law suggests that object's acceleration is directly proportional to the net force acting on it, is in the direction of the net force, and is inversely proportional to the mass of the object if the object's mass is constant.

Thrust, which increases an object's velocity; drag, which decreases an object's velocity; and torque, which causes the changes in an object's rotational speed, are all concepts connected to force. Each part of an extended body often exerts the stresses on the sections that are nearby; the distribution of these forces throughout the body is what is known as the internal mechanical stress. Due to the balance of forces, such internal mechanical stresses do not generate acceleration of that body. Pressure is a straightforward form of the stress that, if unbalanced, can cause the body to accelerate. Pressure is distribution of several small forces applied over an area of a body. Stress typically results in flow of fluids or the deformation of solid materials.

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The object's speed reaches a maximum value and stays there if you drop it and it falls far enough for this to occur.

The speed of an object, also known as v in kinematics, is a scalar quantity that refers to the size of the change in that object's position over time or the size of the change in that object's position per unit of time.  An object's average speed during a period of time is calculated by dividing its distance traveled by the length of the interval, the instantaneous speed is the maximum possible speed as the interval's duration gets closer to zero. Velocity and speed are different concepts.

Distance divided by time is the dimension of speed. Although the meter per second (m/s), the SI measure of speed, is the most often used unit of speed.

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Since, ABCDEF is a regular hexagon,

The measure of the central angle of a regular polygon = [tex]\frac{360}{n}[/tex]

where n = number of sides of the polygon

The measure of the central angle of a regular hexagon =[tex]\frac{360}{6}[/tex] = 60°

That means when we rotate a regular hexagon by an angle in the multiple of 60°, the hexagon overlaps itself.

Therefore, by the rotation of 240° clockwise, point C will replace the position of point A.

The image of hexagon ABCDEF will become CDEFAB.

A rotation matrix is a transformation matrix in linear algebra that is used to make a rotation in Euclidean space. Rotation matrices depict rotations about the origin since matrix multiplication has no effect on the zero vector (the coordinates of the origin). Rotation matrices provide an algebraic description of such rotations and are widely utilized in geometry, physics, and computer graphics computations. In some publications, the term rotation is broadened to cover improper rotations, which are defined by orthogonal matrices with determinants of 1 (rather than +1). These incorporate appropriate rotations and reflections (which invert orientation). In other circumstances, where reflections are not taken into account, the label proper may be omitted. This article adheres to the later convention.

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The mass of the ammonia is equal to 0.215 kilograms.

First of all, we would have to determine the volume of the metal sphere which is half-filled with ammonia. Mathematically, the volume of a sphere can be calculated by using this formula:

Volume = 4/3 × πr³

Where:

r represents the radius.

Substituting the given parameters into the formula, we have;

Volume of metal sphere = 4/3 × 3 × 0.5³

Volume of metal sphere = 4/3 × 3 × 0.125

Volume of metal sphere = 4 × 0.125

Volume of metal sphere = 0.5 cubic meter.

For the volume of ammonia, we have:

Volume of ammonia = 0.5/2

Volume of ammonia = 0.25 cubic meter.

Mathematically, the mass of a substance can be calculated by using this formula:

Mass = Density × Volume

Mass = 0.86 × 0.25

Mass = 0.215 kilograms.

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Explanation:

can you show me the answer of science

The engine's efficiency of the carnot engine is 31%.

The work done per cycle in kilojoules is 16kj.

Using the data supplied above,

Heat absorbed by the engine = 52 kJ

Heat exhausted by the engine in each cycle = 36 kJ

We need to find the efficiency of the engine. It is calculated by the formula.

η = 1 - output/input

Where,

η = Heat Engine Efficiency

Output = 36

Input = 52

η = 36/52

η = 1 - 0.69

η = 0.31

Convert to percentage

η = 31%

b) The work done per cycle in kilojoules

To find the work done per cycle:

W = heat extracted - heat exhausted

W = 52 -36

W = 16

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The normal force that the floor exerts on the sled is 7557 N when is pulled across a stone floor with a coefficient of kinetic friction of 1.7.

Here using the formula F = - Uk mg/cos θ - Uksin θ

= -1.7 x 500 x 10/ cos55° - 1.7 sin 55°

= 7557 N

The normal force of 7557 Newton is exerted on the floor by the sled.

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The experiment is not accurate since the both rats get the tranquilizer and there is no control setting.

The quest for data and information is what would cause a scientist to perform an experiment. We know that an experiment is one that an experiment is one that we have to find the effect of the independent variable on the dependent variable.

In this case, the independent variable is the administration of the dose of the drug while the dependent variable is the number of hours that the pet rats are made to sleep.

Let us note that an experiment ought to have a control setting. The control setting of the experiment is what would serve to validate the experiment as we know. We can see that this experiment does not have a control setting therefore it is not accurate. This experiment would need to be reviewed a control setting should be added.

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C. If a car has a westward acceleration, the car moving east and slowing down.

Westward acceleration is the acceleration of an object directed towards the west of the object's motion.

The acceleration of an object is defined as the change in the velocity of an object with time.

Mathematically, the acceleration of an object is given as;

a = Δv/Δt

where;

a = (v - u) /t

where;

When the car is slowing down, it implies that the final velocity is smaller compared to the initial velocity.

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The electron binding energy for gold essence is. find the longest wavelength( in) of light that could eject electrons from gold in a photoelectric effect trial.

Electron

The electron is a subatomic flyspeck( denoted by the symbol whose electric charge is negative one abecedarian charge. Electrons belong to the first generation of the lepton flyspeck family, and are generally allowed to be abecedarian patches because they've no given factors or substructure. The electron's mass is roughly 1/ 1836th that of the proton.

Quantum mechanical parcels of the electron include an natural angular instigation( spin) of a half- integer value, expressed in units of the reduced Planck constant, ħ. Being fermions, no two electrons can enthrall the same amount state, in agreement with the Pauli rejection principle. Like all abecedarian patches, electrons parade parcels of both patches and swells They can collide with other patches and can be diffracted like light. The surge parcels of electrons are easier to observe with trials than those of other patches like neutrons and protons because electrons have a lower mass and hence a longer de Broglie wavelength for a given energy.

Electrons play an essential part in multitudinous physical marvels, similar as electricity, captivation, chemistry and thermal conductivity, and they also share in gravitational, electromagnetic and weak relations. Since an electron has charge, it has a girding electric field, and if that electron is moving relative to an bystander, said bystander will observe it to induce a glamorous field.

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The person's average power when he uses an energy equivalent to 50 bbl of crude oil in one year is 3.49×10⁴ kW.

Average power can be defined as the total work performed to the total time it takes to perform the work.

To calculate the average power consumption of the person, we use the formula below.

Formula:

P = E/t............ Equation 1

Where:

From the question,Given:

E = 50×6.12×10⁹ J = 3.06×10¹¹ J

t = 1 year = (365×24) days = 8760 seconds

P = 3.06×10¹¹/8760

P = 3.49×10⁴ kW

Hence, the average power is 3.49×10⁴ kW.

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The answer is yes because of conservation of momentum. That is, the momentum before collision is equal to the momentum after collision.

Momentum is the product of mass and velocity. It is a vector quantity. And it is measured in Kgm/s

If two vehicles have a head-on collision, the vehicles essentially stick together and travel a certain distance for 20 seconds before coming to a complete stop. The final velocity for both vehicles immediately after the crash can be obtain by using the formula

v = u - at

Where

If you are able to obtain the mass of both vehicles, the initial velocity for Vehicle A, and the final velocity for both vehicles immediately after the crash, then you can determine the momentum of both vehicles before the collision by calculating the momentum of both after the collision because momentum is always conserved.

Or by first calculating the initial velocity for vehicle B by using the formula below

[tex]M_{1}U_{1} - M_{2}U_{2} = (M_{1} + M_{2} )V[/tex]

where

After we obtain initial velocity for vehicle B, we can calculate the momentum of both vehicles before the collision

Therefore, the momentum of both vehicles before the collision can be determined.

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It will take 2.5 seconds for the school bus to come to stop.

The initial velocity U of the School bus is 10m/s. As the bus has to come to stop, the final velocity V of the school bus will be 0 m/s.

The Acceleration a is -2m/s² and constant.

Because the Acceleration is constant. We can use the equations of motion,

Let say the School bus stopes after Reaching a distance D.

So, applying the equation of motion,

V = U + at

0 = 10 - 4t

-10 = -4t

t = 2.5 seconds.

So the school bus will come to stop after 2.5 seconds.

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The coefficient of kinetic friction between the box and the floor is 0.2.

The direction of the kinetic friction force between the box and the floor is the opposite of the velocity, as depicted in the free body diagram on the attached picture.

The second Newton's law of motion:

∑ F = m. a

Let F1 be the person force and f be the kinetic friction force.

Since the box is just about to move, it means a = 0.

F1 - f = 0

f = F1 = 100 Newton

Let N be the normal force and w be the weight of the box.

In the vertical direction:

N - w = 0

N = w = 500 Newton.

It is known that:

f = μ . N

Where:  μ = coefficient of kinetic friction.

Hence,

μ . N = 100

μ  = 100/N = 100/500 = 0.2

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The spring constant of Hooke's Law is 2160 MN/m.

We need to know about Hooke's Law to solve this problem. Hooke's Law describes the force applied to spring (elastic materials) will proportional to spring constant and displacement under the elastic condition. It can be described as

F = k . x

where F is force, k is spring constant and x is displacement.

The potential energy of spring can be determined as

PE = 1/2 . k . x²

where PE is potential energy

From the question above, we know that

PE = 70 J

x = 0.18 mm = 0.00018 m

By substituting the given parameters, we can calculate the total paralel spring constant

PE = 1/2 . k . x²

70 = 1/2 . kp . 0.00018²

kp = 4320987654 N/m

Find each spring constant

kp = k + k

4320987654 = 2k

k = 2160 MN/m

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A force of 20 N is applied to increase the horizontal spring by 5 cm: 4N/cm.

This is explained :Given a series spring: F = 20 N x = 0,5m

Using Hooke's Law: F = good x well=Fx=20/zero.

In physics, force is a force that can change the motion of an object. A force can cause an object with mass to speed up or accelerate. Pressure can also be defined intuitively as pushing or pulling.

Force is a vector quantity because it has both a value and a path. In technical know-how, the word "strength" has a special meaning. At this level, it is quite appropriate to describe pressure as pushing or pulling. Pressure does not always consist of or "have" objects. Pressure is applied to one element by one another. The concept of force is not always limited to living or inanimate objects.

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If a body covers equal distances in equal intervals of time it has uniform speed. If a body covers equal displacement in equal intervals of time it has uniform velocity.

Speed is the rate of change of an object's position with respect to time in any direction. An object will have uniform speed, if the speed of the object remains constant and not varying.

Velocity is the rate of change of an object's position with respect to time in a particular direction. Uniform velocity is a condition in which a body covers equal displacements in equal intervals of time.

Therefore, if a body covers equal distances in equal intervals of time it is said to have uniform speed and if it covers equal displacement in equal intervals of time it is said to have uniform velocity.

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The change in the energy of the water in the process is 52Btu, when 65 btu of heat is transferred to the water and heat losses from side walls.

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Answer: a = 8.10 m/s^2

Explanation:

The car starts at rest, so:

V0= 0m/s

t= 5.21m/s

S = 110.0 m

Using one of the five uniformly accelerated motion formulas

S= V0t + 1/2 at^2

but V0 = 0 m/s

S = 1/2 at^2

a= 2S/ t^2

a = 2(110m)/ (5.21 s)^2

a = 8.10 m/s^2

The rain's speed relative to the car is Vrc = 89.28 km/h.

Given that the car is moving eastward and that raindrops are falling vertically with respect to the Earth at a constant speed,

Let us consider the x-axis in the East and n-axis in the vertically upward direction. Now the x component of the car velocity relative to the earth is

Vceₓ = 122 km/h

Vceₓ = 33.89 m/s

n component of the car velocity relative to the earth is

Vceₙ = 0 m/s

x component of the raindrops velocity relative to the earth is

Vreₓ = 0 cos45°m/s

Vreₓ = - 3.68 m/s

n component of the raindrops velocity relative to the earth is

Vreₙ = ?

calculate the drop's velocity in relation to the earth

tanθ = Vreₙ / Vreₓ

Vreₙ = Vreₓ x tanθ

Vreₙ = 33.89 m/s x tan60°

Vreₙ = 58.69 m/s

Vreₙ = -211.28 km/h

And hence, the rain's speed relative to the car is

Vrc = Vce + Vre

Vrc = 122km/h - 211.28 km/h

Vrc = 89.28 km/h

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Using speed and distance relation, It take the speed of 299 m to travel 30 cm .

speed is the rate at where someone or something moves is able to operate.

Let us convert cm to m for distance

C = 2.998× 10^8 ms

The relationship between distance, speed, and time is

T =1 ×10^6/8

Because in this case you are being asked how long or time it takes, make it the subject.

Rounding the quotient produces.

Adjust it again to fit the scientific notation.

The result is -

d= c×t

d=2.998×10^8 m/s 10^6 m/s

d=2.998

As a mathematical expression, the time taken for light is 2.998

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