PHYS 2101 Midterm: PHYS 2101 LSU 2007f f
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5 (pearson, tth 12:10pm: please turn off your cell phone and mp3 player, feel free to detach, use and keep the formula sheet. No other reference material is allowed during the exam. You may use scienti c or graphing calculators: for the questions, no work needs to be shown (there is no partial credit), for the problems, please write as much as you can explaining to us your reasoning. Lonely right answers will not receive full credit, lonely wrong answers will receive no credit at all: please carry units through your calculations when needed, lack of units will result in a loss of points, good luck! A man pulls a crate of weight equal to 100 n from the bottom to the top of a frictionless. The work done by gravity is equal to minus the change in gravitational potential.
