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31.
Acceleration of free fall depends on the
- A.surface
- B.weight of object
- C.distance from center of Earth
- D.size of object
- Answer
- Report
Answer : [B]
32.
If initial velocity of an object is zero, then distance covered by it in
time t and acceleration of 9.8ms-2 would be
- A.2.9t2
- B.3t2
- C.4t2
- D.4.9t2
- Answer
- Report
Answer : [D]
33.
As the ball falls towards the ground, its velocity
- A.increases
- B.decreases
- C.remains constant
- D.becomes zero
- Answer
- Report
Answer : [A]
34.
Gradient of velocity-time graph tells us about object's
- A.velocity
- B.displacement
- C.distance
- D.acceleration
- Answer
- Report
Answer : [D]
35.
An object whose velocity is changing is said to be in a state of
- A.acceleration
- B.rest
- C.equilibrium
- D.Brownian motion
- Answer
- Report
Answer : [A]
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