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A parachutist drops freely from an aerop...

A parachutist drops freely from an aeroplane for 8s before the parachute opens out. Then he descends with a net retardation of `2ms^(-2)` reaching the ground with a velocity of `6ms^(-1)`. The height from which he bails out of the aeroplane is `(g=10ms^(-2))`

A

1929 m

B

1911 m

C

2195 m

D

2000m

Text Solution

Verified by Experts

The correct Answer is:
B
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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 2m//sec^(2) . His velocity whe he reaches the ground is 8m/sec.Find the height at which he get out of the aeroplane?