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A ball is thrown vertically downward with a velocity of 20m/s from the top of a tower .it hito the graound after some time with a velocity of 80m/s.The height of the tower is |
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Answer» ong>ANSWER: S=height of tower, g=10 m/s^2
v^2-u^2= 2 gS
6400-400 = 20S
6000/20= S
S=300 m Explanation: please do follow me |
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