hey please help .......i will mark as brainliest
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i think it will be 40m but m not sure about that
anaik:
its wrong
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1
Initial velocity (u) = 0 m/s
Height = 20 m
Acceleration = 10 m/s^2
v = speed at 20 m
v = 20 m/s
Now, acceleration = - 4 m/s^2
Final velocity (v) = 1 m/s
Height (H) = ?
H = 49.875 = 50 m
Hence, the parachutist bails out at 50 + 20 = 70 m
Hence, option (4)
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