Class 6 - 1 1-D Kinematics Variable Acceleration Physics...

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Unformatted text preview: 1 1-D 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 1-d Motion; Variable Acceleration • Review (Preview) of Calculus: derivatives, integrals, differential equations • Problems in 1-d 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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Class 6 - 1 1-D Kinematics Variable Acceleration Physics...

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