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Unformatted text preview: 1 1D Kinematics: Variable Acceleration Physics 1301, Fall 2011: Class 6 Wednesday, September 14, 2011 Summer Internship http://www.nsf.gov/crssprgm/reu/reu_search.cfm http://science.energy.gov/wdts/suli/ http://usrp.usra.edu/ 2 3 Objectives: Wednesday, September 14 Kinematics of 1d Motion; Variable Acceleration Review (Preview) of Calculus: derivatives, integrals, differential equations Problems in 1d motion 4 Demonstrations 1c20.20 Equal time, equal distance drop 1c20.31 Inclined track 1c20.40 Blinky track 1c 30.10 Free fall 1c 30.55 Catch a meter stick Variable Acceleration If acceleration is variable, we need to use calculus Use derivatives to go from displacement (x) to velocity (v) to acceleration (a) Use integrals to go from acceleration (a) to velocity (v) to displacement (x) Use deFnite integrals to avoid arbitrary integration constants 5 Question Which of the following statements is true?...
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 Fall '08
 Marshak
 Physics, Acceleration, Energy

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