Ph121C_Au08_MT1a_soln

# Ph121C_Au08_MT1a_soln - Physics 121C Autumn 2008 Prof...

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Name UWNetID Points (LAST, First Initial) . 121C, Autumn 2008 Exam 1-Version 1 October 13, 2008 Prof. Olmstead Page 2/8 I. Track Meet (33 pts) George ran the 1600 meter race with average speed s ave = 6.8 m/s, running counter-clockwise 4 times around a 400.0 meter track. The track has semi-circular bends of radius 25.0 m and 121.5 m long straight sections aligned east-west (see sketch). The start and finish line is at the midpoint of one straight section. Point P is the westernmost point on the track. Let East be the ˆ i direction and North be ˆ j . Take the acceleration of gravity ± g = ± 10 m / s 2 ˆ j .
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Ph121C_Au08_MT1a_soln - Physics 121C Autumn 2008 Prof...

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