homework 13

# homework 13 - homework 13 NOORANI ZOHEB Latest unpenalized...

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homework 13 – NOORANI, ZOHEB 1 Latest unpenalized work: Feb 18 2008 Mon- day 04:00 (after this date you can not make a perfect score). Work cuto±: Feb 19 2008, 4:00 am. Question 1, chap 6, sect 2. part 1 of 1 10 points A load of 52 N attached to a spring hanging vertically stretches the spring 3 . 3 cm. The spring is now placed horizontally on a table and stretched 12 cm. What force is required to stretch it by this amount? Answer in units of N. Question 2, chap 6, sect 2. part 1 of 2 10 points A 0 . 424 kg mass is attached to a spring with a spring constant 118 N / m so that the mass is allowed to move on a horizontal frictionless surface. The mass is released from rest when the spring is compressed 0 . 15 m. Find the maximum force on the mass. Answer in units of N. Question 3, chap 6, sect 2. part 2 of 2 10 points Find the maximum acceleration. Answer in units of m / s 2 . Question 4, chap 6, sect 3. part 1 of 2 10 points The coe²cient of static friction between the person and the wall is 0 . 74 . The radius of the cylinder is 5

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homework 13 - homework 13 NOORANI ZOHEB Latest unpenalized...

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