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A ball is thrown vertically upward with a velocity u from the top of a tower , it strikes the ground with velocity 3u. The time taken by the ball to reach the ground is
detailed solution
Correct option is D
v=u+at⇒3u=−u+gt⇒t=4ugTalk to our academic expert!
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A ball is thrown vertically upward with a velocity u from the top of a tower . It strikes the ground with velocity 3u . The time taken by the ball to reach the ground is
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