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Unformatted text preview: Thevalingam, Donald Homework 19 Due: Feb 19 2007, 6:00 pm Inst: Eslami 1 This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. Lazy Kids! You need to do the problems faster. 001 (part 1 of 3) 10 points A block is pushed against the spring with spring constant k (located on the left-hand side of the track) and compresses the spring a distance 4 . 7 cm from its equilibrium position (as shown in the figure below). The block starts at rest, is accelerated by the compressed spring, and slides across a frictionless track except for a small rough area on a horizontal section of the track (as shown in the figure below). Itleavesthetrackhorizontally, fliesthrough the air, and subsequently strikes the ground. The acceleration of gravity is 9 . 81 m / s 2 . =0 . 5 1 m 574 g 2m 2 m 9 . 81m / s 2 v k 4 . 7 cm What is the spring constant k ? Answer in units of N / m....
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- Spring '10