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A ball is dropped from a height of 80 ft. The ball is such that it rebounds (3/4)^th of the height it has fallen. How high does the ball rebound

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A ball is dropped from a height of 80 ft. The ball is such that it rebounds (3/4)th of the height it has fallen. How high does the ball rebound on the 6th bounce? How high does the ball rebound on the nth bounce?

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Since the ball rebound (3/4)th of the height it has fallen, the height in successive bounce is in G.P.

1st height in the bounce = 80 x 3/4 

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