08_P29InstructorSolution

08_P29InstructorSolution - 8.29. Model: Visualize: Solve:...

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8.29. Model: Use the particle model for the (cart child) + system which is in uniform circular motion. Visualize: Solve: Newton’s second law along r and z directions can be written: cos20 sin 20 rr FT n m a ° = sin 20 cos20 0 z n m g = °− = The cart’s centripetal acceleration is () 2 2 2 rev 1 min 2 rad 2.0cos20 m 14 4.04 m/s min 60 s 1 rev r ar π ω ⎛⎞ == ° × × = ⎜⎟ ⎝⎠ The above force equations can be rewritten as
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This note was uploaded on 12/10/2011 for the course PHYS 1211 taught by Professor Geller during the Fall '09 term at University of Georgia Athens.

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