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April 21, 2014

Homework Help: Physics(Please check)

Posted by Hannah on Tuesday, June 5, 2012 at 12:44pm.

After 14.6 s, a spinning roulette wheel has slowed down to an angular velocity of 1.22 rad/s. During this time, the wheel has an angular acceleration of -4.51 rad/s2. Determine the angular displacement of the wheel.

I did
w0= wf + (4.51)(14.6) = 1.22+45.1

46.32(14.6) - (1/2)(4.51)(14.6)(14.6) = 159

Did I do this correctly?

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