Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 21 (25 MCQs)

Quiz Instructions

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1. What is kinematic
2. Susie and Marcy drop rocks from an overhang into the river below. Susie drops the rock straight downwards. Marcy throws her rock with an initial horizontal velocity of 25 m/s. Choose the correct statement.
3. Distance and direction of an object's change in position from a starting point
4. A rotating object has an angular displacement of $\theta = 2t^2 + 3t$ $t = 2$
5. A pendulum swings with an angular displacement of $0.1\, \text{rad}$ $2\, \text{m}$
6. If Michael Jordan has a vertical leap of 1.29 m, then what is his takeoff speed if his acceleration is-9.8 m/s$^{2}$ and his velocity at the top of his leap i 0 m/s?
7. The horizontal and vertical components of the initial velocity of a football are 24 m/s and 7 m/s respectively. What is the initial velocity of the football?
8. Define relative motion in physics.
9. Pick the scalar quantity
10. Instantaneous speed is the magnitude of what?
11. A seesaw is balanced with a 30 kg child sitting 2 meters from the pivot. How far from the pivot should a 20 kg child sit on the opposite side to maintain balance?
12. A ball is dropped from a building. How fast is it traveling after falling for 1.77 s? (Hint:It's a free falling object)
13. What is the average angular velocity in radians if a paint spot on a tire turns from 57.3 degrees to 282 degrees in 0.5 sec?
14. What is the rate at which displacement changes called?
15. An object, initially at rest, travels a distance d in a time t at a constant acceleration. What is the time taken for the object to travel 16d from rest at the same acceleration?
16. A packaged roll of paper towels falls from a shelf in a grocery store and rolls due south without slipping. As its linear speed slows, what are the directions of the paper towels' angular velocity and angular acceleration
17. A ball is thrown straight up into the air, and after being in the air for 8.5 seconds, is caught by a person 4 m above the ground. To what maximum height did the ball go?
18. What is the correct unit for acceleration in kinematics?
19. A stationary runner begins a race and accelerates at 2 m/s$^{2 }$ for 4 seconds. What is the final speed of the runner
20. A toy car drives right off of a table. The car hits the ground in 0.75 seconds and lands 3.5 m away from the table. How high was the table?Solve the problem.
21. What is the average speed of an object?
22. An object is thrown vertically upward with an initial velocity of $15 \, \text{m/s}$ $g = 9.8 \, \text{m/s}^2$
23. Suppose you are rotating in a chair with 2 equal masses held in each outstretched hand and you drop them. What happens to your angular velocity?
24. A woman runs a 200 m race in a time of 24.78 seconds. What is her average speed for the race?
25. As a ball falls freely, the distance it falls each second is the same.