Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 8 (25 MCQs)

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1. A ball is thrown upward in the air with an initial velocity of 40 m/s. How long does it take to reach back to the point it was thrown from?
2. If a figure skater pulls in her arms during a spin, what happens to her angular velocity?
3. A cat is chasing after a mouse. How long will it take for it to have a final velocity of 6m/s if we assume the initial velocity was 0 m/s and the acceleration is 0.738 m/s2?
4. What is the SI unit for acceleration?
5. A solid sphere, solid cylinder, and a hollow pipe all have equal masses and radii. If the three of them are released simultaneously at the top of an inclined plane and do not slip, which one will reach the bottom first?
6. Two bugs ride a turntable which is rotating at a constant rate of 4 rad/s. Bug A is at a radius of 4 cm, while bug B is at a radius of 8 cm. Which of the following is true?
7. The unit we use to measure acceleration is .....
8. Sue runs 400 m to Andy's house, turns around, and runs 400 m back home. What was Sue's displacement?
9. An object with an initial velocity of 15 m/s experiences a constant acceleration for 3 seconds until it reaches 45 m/s. What is the object's acceleration during this time?
10. A car is traveling at an unknown velocity. It accelerates constantly over 5.0 seconds at a rate of 3.0 m/s2 to reach a velocity of 30 m/s. What was the original velocity of the car?
11. The science concerned with describing the interactions of energy, matter, space, and time; it is especially interested in what fundamental mechanisms underlie every phenomenon
12. Unless stated otherwise, when we discuss the speeds of things, we mean with respect to the center of the universe.
13. The distance something moves over a given time is referred to as its .....
14. Two objects are shot from the ground at 25 m/s at 25 degrees and 65 degrees. Which one rises to a higher height?
15. A rotating cylinder has a mass of $10\, \text{kg}$ $0.5\, \text{m}$
16. Two bugs ride a turntable which is rotating at a constant rate of 4 rad/s. Bug A is at a radius of 4 cm, while bug B is at a radius of 8 cm. What is the velocity of bug B?
17. What is the velocity of a fish that travels 10 meters in 3 seconds?
18. A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m. Which number represents initial velocity?
19. A boy is running towards east with a velocity of 10m/s . he suddenly turn towards north. then at that place acceleration due to gravity.
20. The change in the value of something is calculated as
21. Speed is calculated as
22. Unit:$s$
23. What is the direction of a centripetal force?
24. The acceleration due to gravity is .....
25. What is the unit of acceleration