Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 29 (25 MCQs)

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1. A rotating object has an angular displacement of $\theta = 3t^2 + 2t$ $\theta$ $t$ $t = 2\, \text{s}$
2. A car accelerates uniformly from rest to a speed of $20 \, \text{m/s}$ $5 \, \text{s}$
3. A track athlete launches herself at a velocity of 12 m/s at an angle of 20 degrees to the ground. What is the length of her jump?
4. The motion of an object that travels in a straight line at a constant speed
5. Nora is walking to her friend Abigail's house with an average speed of 1.40 m/s. The distance between their houses is 205 m. How long will it take Nora to reach Abigail's house?
6. As an object falls freely in a vacuum, its
7. A deer running 15 meters per second due west.Vector or scalar?
8. Heavier objects free fall faster than lighter objects.
9. Noah drove to the nearest hospital to visit his friend Anika with an average speed of v m/s in t seconds. After the visit, if he drives back home on the same path, but with an average speed of 3v m/s, how long would it take for Noah to return home?
10. Moment of Inertia of a body about an axis of rotation depends
11. Which angle will produce the greatest range (in the absence of air resistance)?
12. Torque is the rotational analog of which of the following quantities?
13. A stone is thrown vertically upward with a speedof 15.5 m/sec from the edge of a cliff 75 m high.What total distance did it travel?
14. A steel ball is released just below the surface of thick oil in a cylinder. During the first few centimetres of travel, what is the acceleration of the ball?
15. A stone is thrown horizontally with an initial speed of 10 m/s from a bridge. If air resistance could be ignored, how long would it take the stone to strike the water 80 m below the bridge?
16. What is distance? (taking an example of Delhi and Varanasi)
17. Negative velocity means an object is .....
18. In an uniform motion, what is the nature of the slope of the velocity-time graph?
19. An object is shot from the ground (at 25 m/s) at 25 degrees and 65 degrees. Which one rises to a higher height? (assume no air resistance)
20. A solid sphere and a hollow sphere of the same mass and radius are released from the top of an incline. Which one reaches the bottom first?
21. In the absence of air resistance, the angle at which a thrown ball will go the farthest is?
22. Two stones are released from rest at a certain height, one a short time after the other. As they fall, will difference in their vertical position
23. A boat travels upstream (north) with a velocity 10 m/s while the river flows north with a velocity of 8 m/s. What would be the total velocity experienced by the boat?
24. What is acceleration of an object flying upward during free fall?
25. A baseball has an initial y-velocity of 20.5 m/s and a total time of flight equal to 5 seconds. The softball was launched at an original height of 1.15 meters. If a fence-with a height if 2.5 meters-is 4 seconds away from where the batter stands, will the ball go over the fence? Why or why not?