A parachutist jumps out of a helicopter that is hovering in place . The parachutist free falls for 50m before opening the parachute . Then the parachutist decelerates and hits the ground moving at 3m / s . a Graph the motion . b Find the total time the parachutist is in the air c How high above the ground was the helicopter when the parachutist jumped ?
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good and very large question
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