H07 Begin Date: 9/14/2017 12:00:00 AM-Due Date: 10/22017 11:00:00 PM End Date: 1

Question

H07 Begin Date: 9/14/2017 12:00:00 AM-Due Date: 10/22017 11:00:00 PM End Date: 10/16/2017 11:0000 PM (8%) Problem 7: Mike has a mass of mr 97 kg. He jumps out of a perfectly good airplane that is 2000 m above the ground. After he falls 1000 m, when his downward speed is v 68 m/s, Mike opens his parachute. The positive y-direction is downward Randomized Variables M 97kg m/s 33% Part (a) Calculate the average magnitude of the upward force, Fal in Newtons of the air resistance on Mike during his minal descent 33% Part ) After Mike opens his parachute, he continues to descend, eventually reaching the ground with a speed of 4.0 ms. Calculate the average upward force, Fa2 in Newtons, during this part of Mike's descent his wallet (mass of mi 3kg) falls out of his pocket Calculate the wallet's downward speed, rin m/s, when it reaches the ground. For this calculation, assume that air resistance is negligible Grade Summary Deductions 12% Potential coso Atteespts remaining 0% per attempt) detailed view cotanO asinacos0 atanO acotanO sinho cosh0

Explanation / Answer

According to the question provided we need to solve just for part c)

Part c) It's very simple.

V = sqrt ( 2 * g * h ) = sqrt ( 2 * 9.81 * 2000 m ) = 198.0908882 m/s ==============ANSWER)

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