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a stone is thrown upward with a speed “u” from the top of a tower .it reaches the ground with velocity “3u”. the height of the tower is?
a stone is thrown upward with a speed “u” from the top of a tower .it reaches the ground with velocity “3u”. the height of the tower is?

```
3 years ago

Arun
25768 Points
```							Dear Student Let H be the height of towerV² = u² + 2*a *S(-3u)² = u² + 2* (-g) (-H)H = 8u²/2 g= 4u²/g RegardsArun (askIITians forum expert)
```
3 years ago
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