Question

A soldier jumps out of an airplane with a parachute. After dropping through a distance of 19.6 m, he opens the parachute and decelerates at the rate of 1 ms. If he reaches the ground with a speed of 4.6 ms, how long was he on the air? Calculate also the height from the ground at which he has bailed out from the airplane.

Answer 1

Explanation:

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