A , B , C are points on a vertical line such that AB = BC . If a body is dropped from rest at A , and t 1 and t 2 are the time to travel for distance AB and BC , then ratio t 2 t 1 is

Question

A , B , C are points on a vertical line such that AB = BC . If a body is dropped from rest at A , and t 1 and t 2 are the time to travel for distance AB and BC , then ratio t 2 t 1 is, 2 + 1, 2 - 1, 2 2, 1 2 + 1

MARKS App · Accepted Answer

- h = 0 - 1 2 g t 2 t = 2 h g … … . . 1 - h 2 = 0 - 1 2 g t 1 2 t 1 = h g … … . . 2 so t 2 = t - t 1 = 2 h g - h g t 2 = h g 2 - 1 … … . 3 equation 3 / 1 t 2 t 1 = h g 2 - 1 h g t 2 t 1 = 2 - 1

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