HW 4 Solutions

# HW 4 Solutions - kim(jkk547 – HW04 – markert –(58840...

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Unformatted text preview: kim (jkk547) – HW04 – markert – (58840) 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 You new motorcycle weighs 2590 N. The acceleration of gravity is 9 . 8 m / s 2 . What is its mass? Answer in units of kg. 002 10.0 points A female gymnast weighs 300 N. If she is hanging stationary from a high bar, how many forces are acting on her? 1. two 2. five 3. three 4. one 5. four 003 (part 1 of 2) 10.0 points A light, inextensible cord passes over a light, frictionless pulley with a radius of 6 . 4 cm. It has a(n) 13 kg mass on the left and a(n) 9 . 3 kg mass on the right, both hanging freely. Initially their center of masses are a vertical distance 1 . 9 m apart. The acceleration of gravity is 9 . 8 m / s 2 . 1 . 9 m 6 . 4 cm ω 13 kg 9 . 3 kg At what rate are the two masses accelerat- ing when they pass each other?...
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## This note was uploaded on 10/04/2009 for the course PHY 58840 taught by Professor Markert during the Fall '09 term at University of Texas.

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HW 4 Solutions - kim(jkk547 – HW04 – markert –(58840...

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