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Two balls are dropped from heights h and 2h respectively. The ratio of time taken by these balls to reach the earth is |
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Answer» `1: sqrt(2)` Here a= G , Initial velocity ` u= 0 , s_(1) = (1)/(2) "gt"_(1)^(2), s_(2)=(1)/(2)"gt"_(2)^(2)` `(s_(1))/(s_(2))=(t_(1)^(2))/(t_(2)^(2)) :. (t_(1))/(t_(2))= sqrt(s_(1)/s_(2))=sqrt((H)/(2h))=(1)/(sqrt(2))` |
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