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a stone is thrown horizontally from an elevated point.After 0.5 seconds,the magnitude of its velocity is 1.5 times the magnitude of its initial velocity.Find the initial speed of stone.
you can use the following equationhere V is 1.5 times U but opposite in direction.hence, if we use value of g = 10 m/s2than U = 2 m/s
For above question the answer is given 4.5 m/s.plz explain
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