physics 111 hw4

physics 111 hw4 - sindt (as53996) HW 4 Opyrchal (11101) 1...

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Unformatted text preview: sindt (as53996) HW 4 Opyrchal (11101) 1 This print-out should have 12 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points A person of mass 71 . 3 kg escapes from a burn- ing building by jumping from a window situ- ated 30 . 1 m above a catching net. The acceleration of gravity is 9 . 8 m / s 2 . If air resistance exerts a force of 115 . 9 N on him as he falls, determine his speed just before he hits the net. Answer in units of m / s. 002 (part 1 of 3) 10.0 points A boat moves through the water with two forces acting on it. One is a 2251 N forward push by the motor on the propeller, and the other is an 2092 N resistive force due to the water around the bow. What is the acceleration of the 1271 kg boat? Answer in units of m / s 2 . 003 (part 2 of 3) 10.0 points If it starts from rest, how far will it move in 13 s?...
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physics 111 hw4 - sindt (as53996) HW 4 Opyrchal (11101) 1...

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