Question

A ball is dropped from a bridge of 122.5 metre
above a river. After the ball has been falling for
two seconds, a second ball is thrown straight down
after it. Initial velocity of second ball so that both
hit the water at the same time is
(1) 49 m/s
(2) 55.5 m/s
(3) 26.1 m/s
(4) 9.8 m/s​

Answer 1

Explanation:

Answer (3) 26.1m/s

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