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August 20, 2014

Homework Help: physics lab

Posted by Chris on Wednesday, February 16, 2011 at 12:22am.

Consider different points along one spoke of a wheel rotating with constant angular velocity. Which of the following is true regarding the centripetal acceleration at a particular instant of time?
A The magnitude of the centripetal acceleration is greater for points on the spoke closer to the hub than for points closer to the rim

B both the magnitude and the direction of the centripetal acceleration depend on the location of the point on the spoke.

C The magnitude of the centripetal acceleration is smaller for points on the spoke closer to the hub than for points closer to the rim but the direction of the acceleration is the same at all points on this spoke.

D The magnitude and direction of the centripetal acceleration is the same at all points on this spoke.

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