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arrance in A parachutist whose mass is 75 kg drops from a helicopter hovering 1000 m above the ground and falls toward the ground under the influence of gravity Assume that the force due proportional to the velocity of the parachutist, with the proportionality constant b, 30 N-secim when the chute is closed and by 100 N-secim when the chule is open the chute does not spen until the velocity of the parachutist reaches 20 m/sec, after how many seconds will the parachutist reach the ground? Assume that the acceleration due to gravity 3.31 m/se

arrance in A parachutist whose mass is 75 kg drops from a helicopter hovering 1000 m above the ground and falls toward the ground under the influence of gravity Assume that the force due proportional to the velocity of the parachutist, with the proportionality constant b, 30 N-secim when the chute is closed and by 100 N-secim when the chule is open the chute does not spen until the velocity of the parachutist reaches 20 m/sec, after how many seconds will the parachutist reach the ground? Assume that the acceleration due to gravity 3.31 m/se

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A parachutist whose mass is 75 kg drops from a helicopter hovering 1000 m above the ground and falls toward the ground under the influence of gravity. Assume that the force due to air resistance is proportional to the velocity of the parachutist, with the proportionality constant b, 30 N-secim when the chute is closed and by 100 N-secim when the chule is open if the chute does not open until the velocity of the parachutist reaches 20 m/sec, after how many seconds will the parachutist reach the ground? Assume that the acceleration due to gravity is 9.81 m/sec The parachutist will reach the ground after (Round to two decimal places as needed.) seconds. CHE
Transcribed Image Text:A parachutist whose mass is 75 kg drops from a helicopter hovering 1000 m above the ground and falls toward the ground under the influence of gravity. Assume that the force due to air resistance is proportional to the velocity of the parachutist, with the proportionality constant b, 30 N-secim when the chute is closed and by 100 N-secim when the chule is open if the chute does not open until the velocity of the parachutist reaches 20 m/sec, after how many seconds will the parachutist reach the ground? Assume that the acceleration due to gravity is 9.81 m/sec The parachutist will reach the ground after (Round to two decimal places as needed.) seconds. CHE
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