1.

A parachutist drops freely from an aeroplane for 8s before the parachute opens out. Then he descends with a netretardation of 2ms^(-2)reaching the ground with a velocity of6ms^(-1).The height from which he bails out of the aeroplane is (g=10ms^(-2))

Answer»

1929 m
1911 m
2195 m
2000m

Answer :B


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