Help me with this physics problem

timer Asked: Oct 29th, 2015

Question description

Help m with this physics problem: A parachutist jumps out of a plane and falls freely for 50m. Then the parachute opens, and she slows at a rate of 2 m/s squared. She reaches the ground with a speed of 3 m/s.

a. How long was the parachutist in the air?

b. At what height does the fall begin?

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