EGM 3400/3401 NAME:_______________________ Spring 2007 Quiz 1 Open book/Closed notes – Time limit = 25 minutes A particle moves with 11( )63sin(1), ( )63cos(1)xtmmstymst−−=−⋅⋅⋅. (a)Find the velocity, speed, and acceleration as functions of time. ()223cos13sin1in1os13cos 13sin 13mmvstistjssastistjvvst=−⋅+⋅=⋅+⋅⎛⎞⎛⎞==−⋅+⋅=⎜⎟⎜⎟⎝⎠⎝
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