Question

A ball is thrown vertically downward with a
velocity of 20 m/s from the top of a tower. It hits
the ground after some time with a velocity of
80 m/s. The height of the tower is : (g= 10 m/s2)
(1) 340 m
(2)
320 m
(3)
300 m
(4)
360 m​

Answer 1

Answer:

300m is the answer

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