Question

A man throws balls with same speed vertically upward one after the other in an interval of 2second.what should be the speed of throw do that more fhan 2 balls are in the sky at same time

Answer 1

The speed should be equal to 40 m/s.

v = u + at
v = 0 + 10*(2+2) [as more than two balls
should be in air simultaneously]
Therefore, v = 40 m/s



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