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`        A ball is projected from top of the tower with a velocity of 5 m/s at an angle 53 to horizontal. Its speed when it is at height of 0.45 m from point of projection is...................`
7 years ago

28 Points
```										Dear Vishrant
Ans:- The vertical component of the velocity= 4 m/s
The horizental component is=3m/s
The final vertical velocity is=√(4² - 2*g*0.45) m/s
=√(16-9)
=√7 m/s
The horizental component is is same = 3m/s
Hence the total speed is=√(9+7)=4m/s(ans)
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SOUMYAJIT IIT_KHARAGPUR
```
7 years ago
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