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Material Type: Notes; Class: General Physics I; Subject: Physics; University: New Mexico Institute of Mining and Technology; Term: Fall 2008;
Typology: Study notes
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My Academic Honesty Policy Work together on homework freely – you are encouraged to collaborate. Bring 3x5 index card to any quiz/exam. Share answers or otherwise cheat on an exam or quiz – Severe penalties up to and including an F for the course. Cheating enablers will also be penalized.
Uniform circular motion a c = v 2 R Centripetal acceleration is a vector. It always points inward toward the center of the circular path.
Analyzing a ball on a string
You are driving your car (mass m ) at a constant speed v around a flat, unbanked curve of radius R. Which of the following forces should be included in a free-body diagram for the car? A. an outward centrifugal force of magnitude mv 2 / R B. an inward centripetal force of magnitude mv 2 / R C. the force of the car’s acceleration D. two of the above E. none of the above
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For a 20 kg pack, what is tension in each rope? If yield strength of rope is 2000 N, how hard must bear pull to get sardines?
Science teachers ride the vomit comet http://www.youtube.com/watch?v=iCAzo-wTxiU&NR=
