ProblemSet2

# An Introduction To Mechanics

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Problem Set 2 Physics 116 : Due Friday, 02/08/2008 Please write the names of any classmates with whom you discussed the homework problems at the top of your problem set 1. A bug is crawling on a turntable on a radial line, and is moving back and forth such that its radial distance from the center of the turntable is given by r ( t ) = A sin( ct ), and the turntable is rotating in an unusual way such that θ ( t ) = bt 2 . A , c , and b are all constants. (a) Write the bug’s position vector as a function of time in polar notation (b) Write the velocity of the bug as a function of time in polar notation (c) Find the bug’s speed as a function of time (d) Write the bug’s acceleration as a function of time in polar notation (e) Now, write the bug’s position vector, velocity, and acceleration in Cartesian coordinates. Assume the turntable is sitting ﬂat on the x - y plane and θ = 0 at t = 0 is lying along the x -axis. 2. A cylinder of radius

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## This note was uploaded on 09/09/2008 for the course PHYS 1116 taught by Professor Elser, v during the Spring '05 term at Cornell.

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ProblemSet2 - Problem Set 2 Physics 116 Due Friday Please...

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