Work, Power and EnergyHard
Question
A ball after falling from a height of 10m strikes the roof of a lift which is descending down with a velocity of 1 m/s. The recoil velocity of the ball will be
(e = 1) -
(e = 1) -
Options
A.8 m/s
B.11 m/s
C.12 m/s
D.15 m/s
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