When a ball is thrown vertically upwards with a velocity of 29.4 ms-1, then after 3s, another ball is thrown upwards from the same point with a velocity of 19.6 ms-1. At what time and height, will the two balls collide?

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H =7.31m from ground t=1.22s
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After 2 sec 19.6m above The ground Sorry for late reply
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Coaching classes for +1 +2 Non Medical

H 12.25m from ground and time 4.5 sec 100% correct
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