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A ball strikes the floor and after the collision rebounds back. In this state -
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Important Questions on Centre of Mass, Momentum and Collisions
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A bullet of mass P is fired with velocity Q in a large body of mass R. The final velocity of the system will be :-
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Two elastic bodies P and Q having equal masses are moving along the same line with velocities of and respectively. Their velocities after the elastic collision will be in :-
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The unit of the coefficient of restitution is -
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Two solid balls of rubber A and B whose masses are 200 gm and 400 gm respectively, are moving in mutually opposite directions. If the velocity of ball A is 0.3 m/s and both the balls come to rest after collision, then the velocity of ball B is -
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A ball falls from a height of and again goes up after colliding with the ground up to a height of . The coefficient of restitution is:
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A bullet moving with a velocity of gets embedded into a stationary body. The loss in KE of the system will be
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A bullet of mass m moving with a speed v strikes a wooden block of mass M and gets embedded into the block. The final speed is :-
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A ball is dropped from height h on the ground level. If the coefficient of restitution is e then the height upto which the ball will go after nth jump will be :
