InterviewSolution
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InterviewSolution
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(a) If ratio are made to fall of two bodies is `1: 2,` what is the ratio of their heights of fall ? (b) Two bodies are made to fall from two different height in the ratio `9:4`. What will be the ratio of their times of fall ? |
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Answer» (a) From `s=ut+(1)/(2)g t.^(2)` , when `u=0 , s=(1)/(2)g t.^(2)` i.e., `spropt^(2)` `h_(1)/h_(2)=(t_(1)/t_(2))^(2)=((1)/(2))^(2)=(1)/(4)` (b) `h_(1)/h_(2)=(t_1)/t_(2)^(2)=(9)/(4) :.f_(1)/(f_(2))=(3)/(2)` |
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