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A stone with a weight of 5.29 N is launc...

A stone with a weight of 5.29 N is launched vertically from ground level with an initial speed of 20.0 m/s, and the air drag on it is 0.265 N throughout the flight. What are (a) the maximum height reached by the stone and (b) its speed just before it hits ground ?

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The correct Answer is:
(a) 19.4 m ; (b) 19.0 m/s
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