Question

A ball is dropped from 4th floor of a building Another ball is thrown down from 5th floor with an initial velocity u .The height of 4th floor is 80m Both the balls reach the ground at same time as thrown simultaneously. find the initial velocity of second ball​

Answer 1

The speed of the red ball right before it hits the ground = 23.45 m/s.

The maximum height the blue ball reaches = (h + 0.8) = (32.66 + 0.8) = 33.46 m.

Time of travel of the blue ball = (1.9 - 0.5) = 1.4 seconds

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