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Basic Physics Practice Test: Describing Motion - Kinematics in One Dimension
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Basic Physics Practice Test: Describing Motion - Kinematics in One Dimension
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25 Questions

1. If the position versus time graph of an object is a vertical line, the object is
2. An object is thrown upward with a speed of 15 m/s on the surface of planet X where the acceleration due to gravity is 2.5 m/s2. How long does it take for the object to return to where it is thrown?
3. In a 400-m relay race the anchorman (the person who runs the last 100 m for team A can run m in 9.8 s. His rival, the anchorman for team B, can cover 100 m in 10.1 s. What is the largest lead the team B runner can have when the team A runner starts the final leg of the race, in order that the team A runner not lose the race?
4. The slope of a velocity versus time graph gives
5. A bullet shot straight up returns to its starting point in 10 s. What is the initial speed of the bullet?
6. The area under a curve in an acceleration versus time graph gives
7. An object moving in the +x axis experiences an acceleration of 2.0 m/s2. This means the object is
8. Human reaction time is usually greater than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can you expect the ruler to fall before you catch it?
9. If you are driving 72 km/h along a straight road and you look to the side for 4.0 s, how far do you travel during this inattentive period?
10. A car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s2 for 15 s. At the end of this time, what is its velocity?
11. A runner ran the marathon (approximately 42.0 kmin 2 hours and 57 min. What is the average speed of the runner in m/s?"
12. The area under a curve in a velocity versus time graph gives
13. An object is moving with constant non-zero acceleration in the +x axis. The velocity versus time graph of this object is
14. A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return to its starting point. This trip takes 45 min. What was the bear's average velocity?
15. You are driving home on a weekend from school at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How far is your hometown from school?
16. A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the motorist for this trip?
17. An object is moving with constant non-zero velocity in the +x axis. The velocity versus time graph of this object is
18. An object is thrown upward with a speed of 14 m/s on the surface of planet X where the acceleration due to gravity is 3.5 m/s2. What is the speed of the object after 8.0 s?
19. Suppose a ball is thrown downward in the absence of air resistance. Make a statement concerning its acceleration.
20. Two objects are thrown from the top of a tall building. One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when they hit the street?
21. A ly (light year) is the distance that light travels in one year. The speed of light is 3.00 ˛ 108 m/s. How many miles are there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)
22. A ball is thrown straight up, reaches a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceleration as the ball is coming down.
23. An object moves 15.0 m north and then 11.0 m south. Find both the distance traveled and the magnitude of the displacement vector.
24. Suppose a skydiver jumps from a high-flying plane. What is her acceleration when she she reaches terminal velocity?
25. A car decelerates uniformly and comes to a stop after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's deceleration while slowing down?