Posted by **bob** on Tuesday, January 20, 2009 at 9:50pm.

A wheel of diameter 0.700 meters rolls without slipping. A point on the top of the wheel moves with a tangential speed of 2.00 m/s with respect to the ground.

1. If the wheel suddenly stops spinning and skis along the ground then

a. v=rù

b. v>rù

c. v<rù

thank you

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**bobpursley**, Tuesday, January 20, 2009 at 9:53pm
THE wheel is not spinning, so the point on the top of the wheel is moving at the same speed as the wagon, and angular velocity of course is zero. This is an odd question.

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**bob**, Tuesday, January 20, 2009 at 9:56pm
so is it A B OR C

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**bobpursley**, Tuesday, January 20, 2009 at 9:58pm
ANGULAR Velocity is zero. Repeat, angular velocity is zero. IS V zero?

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**bobpursley**, Tuesday, January 20, 2009 at 10:21pm
and,make certain the question is typed wrong. This is indeed a very odd question.

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**drwls**, Wednesday, January 21, 2009 at 1:57am
What do v and ù represent? The dimensions don't even make sense. Putting a dot above a number usually represents a rate of change.

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**Damon**, Wednesday, January 21, 2009 at 5:01am
I think the idea is that the final speed of the top of the wheel is less than it was when it was rolling.

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