Question

20. A paratrooper drops from a moving aeroplane. He falls
freely under gravity for first 10 seconds of motion. Now
he opens the parachute and retards with 2 m/s2. When he
touches the ground his speed is 3 m/s. What is the height
of the plane ? What is total time of journey?
(Given g = 10 m s-2)

Answer 1

Answer:

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