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A ball is thrown vertically upward with a velocity 'u' from the balloon descending with velocity v. After what time, the ball will pass by the balloon? |
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Answer» Solution :`S_(R)=u_(r)t+(1)/(2)a_(r)t^(2)` `O=(v+u)t-(1)/(2)g t^(2) t=(2(v+u))/(g)` |
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