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General
Easy
Question
Two balls are dropped to the ground from different heights. One ball is dropped 
after the other but they both strike the ground at the same time. If the first ball takes 
to reach the ground, then the difference in initial heights is 
The correct answer is:
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The man drops a coin from a height of 4.9m and if 
then the coin reaches the floor of the lift after a time
A lift in which a man is standing, is moving upward with a speed of 10 The man drops a coin from a height of 4.9m and if then the coin reaches the floor of the lift after a time
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Consider the acceleration, velocity and displacement of a tennis ball as it falls to the ground and bounces back. Directions of which of these changes in the process
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Figures i) and ii) below show the displacement-time graphs of two particles moving along the 
-axis. We can say that
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Its corresponding velocity-time graph will be
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A student is standing at a distance of 50 m from the bus. As soon as the bus begins its motion with an acceleration of 
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A student is standing at a distance of 50 m from the bus. As soon as the bus begins its motion with an acceleration of the students starts running towards the bus with a uniform velocity Assuming the motion to be along a straight road, the minimum value of so that the student is able to catch the bus is
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The numerical ratio of displacement to the distance covered is always
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Two trains travelling on the same track are approaching each other with equal speeds of 40
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A body starts from origin and moves along -axis such that at any instant velocity is 
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Two balls are dropped to the ground from different heights. One ball is dropped 2 s after the other but they both strike the ground at the same time. If the first ball takes 5 s to reach the ground, then the difference in initial heights is 
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A particle is projected with velocity 
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The deceleration on the particle is proportional to the square of the distance from the origin i.e., 
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A person travels along a straight road for the first half time with a velocity 
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A boat takes two hours to travel 8 km and back in still water. If the velocity of water 4 
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