A stone is thrown vertically upward with an initial velocity u from the top of a tower, reaches the ground with a velocity 3u. The height of the tower is:
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4
Answer:
height of tower=4u^2/g
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0
Answer:
4u²/g
Explanation:
Formula Used is (v²-u²)/2g
[(3u)²-(u²)]/2g
(9u²-u²)/2g
8u²/2g
4u²/g
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