Physics, asked by prashasti2, 1 year ago

a parachutist jumps from an aeroplane with vilocity 'u'. parachute opens and accelerate downward with 2m/s sq.. He reaches the ground with a velocity 4m /sec. how long the parachutist remained in air

Answers

Answered by niveshmahajan69
0
2 sec 
but if we see it does not look like a person jumps 4 metres from a plane
Answered by rameshafernandosrtzc
2
t = (v-u)a
t = (4-0)2
t=2 s
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