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A parachutist drops freely from an aeroplane for 10 s before the parachute opens out. Then he descends with a net retardation of 2.5 m/s², If he bails out of the plane at a height of 2495 m and g = 10 m/s², his velocity on reaching the ground will be (a) 5 m/s 87. (b) 10 m/s (c) 15 m/s (d) 20 m/s

A parachutist drops freely from an aeroplane for 10 s before the parachute opens out. Then he descends with a net retardation of 2.5 m/s², If he bails out of the plane at a height of 2495 m and g = 10 m/s², his velocity on reaching the ground will be (a) 5 m/s 87. (b) 10 m/s (c) 15 m/s (d) 20 m/s

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A parachutist drops freely from an aeroplane for 10 s before the parachute opens out. Then he descends with a net retardation of 2.5 m/s2, If he bails out of the plane at a height of 2495 m and g= 10 m/s², his velocity on reaching the ground will be (a) 5 m/s 87. (b) 10 m/s (c) 15 m/s" (d) 20 m/s
Transcribed Image Text:A parachutist drops freely from an aeroplane for 10 s before the parachute opens out. Then he descends with a net retardation of 2.5 m/s2, If he bails out of the plane at a height of 2495 m and g= 10 m/s², his velocity on reaching the ground will be (a) 5 m/s 87. (b) 10 m/s (c) 15 m/s" (d) 20 m/s
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