PHYS_101_Midterm

PHYS_101_Midterm - PHYS 101 MIDTERM October 22nd, 2007 The...

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Phys 101 Midterm, Oct 22 nd , 2007 PHYS 101 MIDTERM October 22 nd , 2007 The exam comprises two parts: 5 short-answer questions, and 4 problems. A formula sheet is attached to the back of the exam. Calculators are allowed. Answer all the short-answer questions with a few words or a phrase, but be concise, please! For the problems, your grade will be calculated with the best three problems . Show your work. The short answer problems are worth two points each, and the problems are worth 10 points each. Put all answers in the red and white answer booklets provided; you may keep this exam. Good luck ! Short answer questions (answer all): you should not need to do any calculations for these questions. Answer in a few words, a short phrase, or a simple sketch. 1) [2 pts] Can a centripetal force ever do work on an object moving in a circular path at a constant speed? 2) [2 pts] Two drivers are on a highway at the same speed, side by side. At the same instant, they each see an obstacle on the highway and start to brake (ignore reaction
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This note was uploaded on 10/20/2009 for the course SCI PHYS101 taught by Professor Regan during the Fall '08 term at McGill.

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PHYS_101_Midterm - PHYS 101 MIDTERM October 22nd, 2007 The...

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