PHYS_101_Midterm

PHYS_101_Midterm - PHYS 101 MIDTERM October 19th, 2005 The...

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Phys 101 Midterm, Oct 19 th , 2005 PHYS 101 MIDTERM October 19 th , 2005 The exam comprises two parts: 5 short answer questions, and 4 problems. A formula sheet is attached to the back of the exam. Simple non-graphing calculators are allowed. Answer all the short answer questions with a few words or a phrase ( no more, 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, and should answer in a few words, a short phrase, or a simple sketch. 1) [2 pts] An astronaut is in “weightless” conditions in a circular low-Earth orbit (a few hundred kilometers above the Earth’s surface). How many forces are acting on her (ignore air friction inside her spacecraft)? 2) [2 pts] Draw a velocity vs time diagram for an object thrown vertically upwards with initial
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PHYS_101_Midterm - PHYS 101 MIDTERM October 19th, 2005 The...

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