A particle projected from ground takes time 't1' to reach 15/16 H height and time 't2' to cover rest of distance to the ground. If 'H' is the maximum height attaine. please find the ratio t1: t2

Question

A particle projected from ground takes time 't1' to reach 15/16  H height and time 't2' to cover rest of distance to the ground. If 'H' is the maximum height attaine. please find the ratio t1: t2

anonymous · Answer

@Abhisar @robtobey

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anonymous · Answer

projected from the ground 
then $$X = \frac{ 1 }{ 2 } a  t ^{2}$$
$$t=\sqrt{\frac{ 2 X }{ a }}.$$
x for t1 = 15/16 H
x for t2 = 17/16 H
Thus divide them and symbols will be cancelled.

anonymous · Answer

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