JEE Main 2022 Physics question
A ball is thrown up vertically with a certain velocity so that, it reaches a maximum height h. Find the ratio of the times in which it is at height h/3 while going up and coming down respectively.
Answer: (2)
Solution
The maximum height is , so . The height h/3 is reached when h/3 = ut − , i.e. + h/3 = 0. The roots (going up) and (coming
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