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Find the height in metres from which he bails out of the plane?

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A parachutist drops freely from an aeroplane for 10 seconds before the parachute opens out.
Then he descends with a net retardation of 2.5 m/s2 and strikes the ground with a velocity 5 m/s.
Find the height in metres from which he bails out of the plane?
( Take g = 10 m/s )

posted Dec 3, 2019 by Anshika Utadi

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