11. Rate of change of displacement is known as ________
12. When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion?
13. For a body moving with non-uniform velocity and uniform acceleration
14. A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground.
15. Scalar Quantities are
16. Weight of a body is maximum at the:
17. When a body is accelerated, then the velocity will be also
18. During ________ motion of an object along a straight line, the velocity remains constant with time.
19. What does the slope of a velocity time graph represent?
20. The slope of a velocity-time graph represents
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