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Water drops are falling in regular inter...

Water drops are falling in regular intervals of time from top of a tower to height 9 m. If `4^(th)` drop begins to fall when `1^(st)` drop reaches the ground, find the positions of `2^(nd) & 3^(rd)` drops from the top of the tower.

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To solve the problem, we need to find the positions of the 2nd and 3rd drops from the top of the tower when the 4th drop begins to fall at the same time the 1st drop reaches the ground. The height of the tower is given as 9 m. ### Step 1: Understand the time of flight for the 1st drop The time taken for the 1st drop to fall from the height of 9 m to the ground can be calculated using the formula for free fall: \[ t = \sqrt{\frac{2h}{g}} \] where \( h = 9 \, \text{m} \) and \( g = 10 \, \text{m/s}^2 \). ...
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