Question

0
After falling from a height of 4.9m a ball strikes the
roof of a lift. If at the time of collision, lift is moving
in the upward direction with a velocity of 0.6m/s,
then the velocity with which the ball rebounds after
collision will be -le = 1)
(1) 11 m/s upwards (2) 12 m/s upwards
(3) 13 m/s upwards (4) 11 m/s downwards​

Answer 1

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