an astronaut jumps from a plane after he had fallen 40 m then his parachute opens now he falls with retardation of 2m/s2 reaches the earth with a velocity of 3m/s what's the height of the airplane? How long Astronaut remain in air? g= 9.8m/s2a
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Solution
Let the inital distance traveleld before opening parachute be h1 = 40m