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Unformatted text preview: Bell, Evan – Homework 6 – Due: Feb 23 2005, 11:00 pm – Inst: Furlan 1 This print-out should have 23 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. 001 (part 1 of 4) 10 points A 31 kg gun is standing on a frictionless sur- face. The gun fires a 48 . 8 g bullet with a muzzle velocity of 302 m / s. The positive direction is that of the bullet. Calculate the momentum of the bullet im- mediately after the gun was fired. Answer in units of kg · m / s. 002 (part 2 of 4) 10 points Calculate the momentum of the gun immedi- ately after the gun was fired. Answer in units of kg · m / s. 003 (part 3 of 4) 10 points Calculate the kinetic energy of the bullet im- mediately after the gun was fired. Answer in units of J. 004 (part 4 of 4) 10 points Calculate the kinetic energy of the gun im- mediately after the gun was fired. Answer in units of J. 005 (part 1 of 1) 10 points A(n) 755 N man stands in the middle of a frozenpondofradius11m. Heisunabletoget to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1 . 2 kg physics textbook horizontally toward the north shore, at a speed of 6 . 6 m / s. The acceleration of gravity is 9 . 81 m / s 2 . How long does it take him to reach the south shore? Answer in units of s. 006 (part 1 of 1) 10 points Two students on roller skates stand face-to- face, then push each other away....
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This homework help was uploaded on 03/30/2008 for the course PHYS 250 taught by Professor Gallis,michaelro during the Spring '07 term at Pennsylvania State University, University Park.
- Spring '07