If a wheel 213 cm in diameter takes 2.95 s for each revolution, find its period and angular speed in rad/s.
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If a wheel 213 cm in diameter takes 2.95 s for each revolution, find its period and angular speed in rad/s.

[From: ] [author: ] [Date: 12-06-08] [Hit: ]
The diameter (213 cm) is a red herring,it has nothing to do with the question that was asked.......
Part A: T=
Part B: ω=

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The period is 2.95s, already given in the question.
The angular speed in rad/s is
2 pi radians / 2.95 s = 2.13 rad/s

The diameter (213 cm) is a red herring,
it has nothing to do with the question that was asked.
1
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