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Physics 112 Group Study 4

# Physics 112 Group Study 4 - Name Michelle LaPorte Student...

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Name: Michelle LaPorte Student ID #: 0442858 Telephone: (419) 902-5396 E-mail: [email protected] College and semester: TESC, April 2010 Course code: (PHY-112-) OL) Course name: Physics II Group Study Activity 4 Complete the following exercises and problems with other members of your group. To find which group you are in, go to the Groups area of the course Web site. Click the group link, and go to the Group Discussion Board. When you are confident you have the correct answers, each member of the team should go to Discussion Board on the navigation bar, and follow the link to the "Module 4 Group Study Activity," where you should post your answers. Chapters Pages Exercises Problems Chapter 35: Special Theory of Relativity 716-719 3, 30, 34 3, 7, 9 Chapter 36: General Theory of Relativity 732-733 9, 16, 18, 24, 26 None Chapter 35 Exercise 3 – A person riding the roof of a freight train fires a gun pointed forward. a) Relative to the ground is the bullet moving faster or slower when the train is moving than when it is standing still? Relative to the ground, the bullet will be moving faster when fired from a moving train, because of the velocity of the train and the bullet together. v = v 1 + v 2 b) relative to the freight car, is the bullet moving faster or slower when the train is moving than when the train is standing still? Relative to the train, the bullet's speed is the same, regardless of the train's velocity with respect to the ground. Exercise 30 – If stationary observers measure the shape of a passing object to be exactly circular, what is the shape of the object according to observers onboard the object, traveling with it?

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