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Unformatted text preview: yu (sy5784) HW03 criss (014811) 1 This print-out should have 17 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 3 . 97 kg block slides down a smooth, fric- tionless plane having an inclination of 20 . The acceleration of gravity is 9 . 8 m / s 2 . 3 . 9 7 k g 2 . 9 3 m 20 Find the acceleration of the block. Answer in units of m / s 2 002 (part 2 of 3) 10.0 points What is the blocks speed when, starting from rest, it has traveled a distance of 2 . 93 m along the incline. Answer in units of m / s 003 (part 3 of 3) 10.0 points What is the magnitude of the perpendicular force that the block exerts on the surface of the plane at a distance of 2 . 93 m down the incline? Answer in units of N 004 (part 1 of 2) 10.0 points Consider the 40 N weight held by two cables shown below. The left-hand cable is horizon- tal. 40 N 4 8 What is the tension in the cable slanted at an angle of 48 ? Draw the vectors to scale on a graph to determine the answer. Answer in units of N Your answer must be within 5.0% 005 (part 2 of 2) 10.0 points What is the tension in the horizontal cable? Answer in units of N Your answer must be within 5.0% 006 (part 1 of 3) 10.0 points The acceleration of gravity is 9 . 8 m / s 2 . To emphasize the fact that lessons learned in 303K carry over into real life, this prob- lem is based on an accident report from the Workers Compensation Board in Bryant, Texas....
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