A ball is thrown downwards with a speed of 20 m s^(-1)

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A ball is thrown downwards with a speed of 20 m s^(-1), from the top of a buling 150 m high and simultane-ously another ball is throun vertically upwrds wuth a speed of 30 m s^(-1) from the foot ot the building . Find the time after wguch both the balls will meet. (g=10 m s^(-2))
27
Aug
A ball is thrown downwards with a speed of 20 m s^(-1), from the top of a buling 150 m high and simultane-ously another ball is throun vertically upwrds wuth a speed of 30 m s^(-1) from the foot ot the building . Find the time after wguch both the balls will meet. (g=10 m [...]
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Tags: 5 m s^(-1) and 10 m s^(-1) respectively (g=10 m s^(-2)) , A ball is thrown downwards with a speed of 20 m s^(-1) , Find separation between them after 1 s. , Two particles A and B are thown vertically upward with velocity , vertically upward with velocity ,