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Physics 15200- HW18

Physics 15200- HW18 - lai(yl8859 HW18 Ross(15200 This...

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lai (yl8859) – HW18 – Ross – (15200) 1 This print-out should have 9 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points A 0 . 095 kg meter stick is supported at its 40 cm mark by a string attached to the ceiling. A 0 . 702 kg object hangs vertically from the 6 . 29 cm mark. A second mass is attached at another mark to keep it horizontal and in rotational and translational equilibrium. If the tension in the string attached to the ceiling is 21 . 6 N, find the value of the second mass. The acceleration of gravity is 9 . 8 m / s 2 . Answer in units of kg. 002 (part 2 of 2) 10.0 points Find the mark at which the second mass is attached. Answer in units of cm. 003 (part 1 of 3) 10.0 points An 852 N uniform boom is supported by a cable as shown. The boom is pivoted at the bottom, and a 3030 N object hangs from its end. The boom has a length of 14 m and is at an angle of 47 above the horizontal. A support cable is attached to the boom at a distance of 0 . 74 L
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