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Physics 15200- HW6

Physics 15200- HW6 - lai(yl8859 HW06 Ross(15200 This...

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lai (yl8859) – HW06 – Ross – (15200) 1 This print-out should have 11 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 3) 10.0 points A boat moves through the water with two forces acting on it. One is a 2140 N forward push by the motor on the propeller, and the other is an 1879 N resistive force due to the water around the bow. What is the acceleration of the 1111 kg boat? Answer in units of m / s 2 . 002 (part 2 of 3) 10.0 points If it starts from rest, how far will it move in 18 s? Answer in units of m. 003 (part 3 of 3) 10.0 points What will its velocity be at the end of this time interval? Answer in units of m / s. 004 (part 1 of 3) 10.0 points Two forces, 417 N at 11 and 344 N at 32 are applied to a car in an effort to accelerate it. 3451 kg 417 N 11 344 N 32 What is the magnitude of the resultant of these two forces? Answer in units of N. 005 (part 2 of 3) 10.0 points Find the direction of the resultant force (in re- lation to forward, with counterclockwise con- sidered positive).
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