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Two balls are thrown simultaneously, A v...

Two balls are thrown simultaneously, A vetically upwards with a speed of `20 ms^(-1)` from the ground, and B vetically downwards from height of 40 m with the same speed and along the same line of motion. At what points do the two balls collide? Take `g= 9.8 ms^(-2)`.

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SL ARORA-MECHANICS-Exercise
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