Solve the all parts of given questionquestion a parachutist, Ask an Expert

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Solve the all parts of given question:

Question: A parachutist bails out and freely falls 63 m. Then the parachute opens, and thereafter she decelerates at 1.6 m/s². She reaches the ground with a speed of 2.7 m/s.

Part A: How long is the parachutist in the air?

Part B: At what height does the fall begin?

I need help to determine how long the parachutist in the air.

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