AP Physics C: Mechanics Practice Test
AP Physics C: Mechanics Practice Test
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Question 1 of 19
1. Question
The position of a particle as it moves along the x axis is given for t > 0 by x = (t 3 – 3t 2 + 6t) m, where t is in s. Where is the particle when it achieves its minimum speed (after t = 0)?
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Question 2 of 19
2. Question
An automobile traveling along a straight road increases its speed from 30.0 m/s to 50.0 m/s in a distance of 180 m. If the acceleration is constant, how much time elapses while the auto moves this distance?
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Question 3 of 19
3. Question
Driver A is cruising along enjoying the fall colors. Driver B starts her car at the instant he passes her. Their velocities are shown as functions of time in the graph below. At what instants in time are drivers A and B side by side?
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Question 4 of 19
4. Question
A rock is thrown from the edge of the top of a 100ft tall building at some unknown angle above the horizontal. The rock strikes the ground a horizontal distance of 160 ft from the base of the building 5.0 s after being thrown. Assume that the ground is level and that the side of the building is vertical. Determine the speed with which the rock was thrown.
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Question 5 of 19
5. Question
Two balls, projected at different times so they don’t collide, have trajectories A and B, as shown below.Which statement is correct?
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Question 6 of 19
6. Question
An object is thrown downward with an initial (t = 0) speed of 10 m/s from a height of 60 m above the ground. At the same instant (t = 0), a second object is propelled vertically upward from ground level with a speed of 40 m/s. At what height above the ground will the two objects pass each other?
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Question 7 of 19
7. Question
The position of a particle moving along the x axis is given by x = (21 + 22t – 6.0t 2) m, where t is in s. What is the average velocity during the time interval t = 1.0 s to t = 3.0 s?
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Question 8 of 19
8. Question
The position of a particle moving along the yaxis has a position given by: Is there any time interval during which the particle is not moving?
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Question 9 of 19
9. Question
At t = 0, a particle is located at x = 25 m and has a velocity of 15 m/s in the positive x direction. The acceleration of the particle varies with time as shown in the diagram. What is the position of the particle at t = 5.0 s?
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Question 10 of 19
10. Question
In the absence of air resistance, a ball dropped near the surface of the Earth experiences a constant acceleration of 9.8 m/s2. This means that the
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Question 11 of 19
11. Question
A marble is shot from the ground level and follows a parabolic path shown Air resistance is negligible. Point B is the highest point on the path.
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Question 12 of 19
12. Question
A marble is shot from the ground level and follows a parabolic path shown Air resistance is negligible. Point B is the highest point on the path.Which of the following indicates the direction of the net acceleration of the marble at point C?
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Question 13 of 19
13. Question
An object starts from rest at time to =0. The velocity v as a function of time is given by v = 2t + 3t2. How far does the object travel in first 5 s?
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Question 14 of 19
14. Question
A physics student wants to hit a target with a rubber band ball from 1.8 meters away. If he throws the ball at a speed of 6 m/s and the target is at the exact same height as where the ball is thrown, what angle from the horizontal must he throw the ball to hit the target?
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Question 15 of 19
15. Question
A car starting from rest uniformly accelerates in a straight line as shown below What was the acceleration during the entire 3 second interval?
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Question 16 of 19
16. Question
A car starting from rest uniformly accelerates in a straight line as shown below What was the average velocity of the car during the first two seconds?
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Question 17 of 19
17. Question
Two cannon balls are launched simultaneously off a cliff. The two cannon balls have different masses and different horizontal initial velocities. Which will strike the ground first?
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Question 18 of 19
18. Question
An object is dropped from a height H and it reaches the ground with a velocity v. The same object is thrown down from the same height H with the initial velocity v. When it reaches the ground it has a velocity v2. Which of the following is correct relationship between v2 and v?
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Question 19 of 19
19. Question
A projectile is launched from the ground with an initial velocity vo at an angle Ɵ above the horizontal. How long will the projectile remain in air?
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