Physics, 22.12.2020 17:00, josued123321

The boy a projects a ball downwards with velocity v ,where it reaches the boy b after 0.5 s . So the ball the reaches the ground after time from the moment of projection (g=10 m/s2)

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The boy a projects a ball downwards with velocity v ,where it reaches the boy b after 0.5 s . So the...