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Asked Oct 11, 2019
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4) An automobile tire with a radius of 0.30 m accelerates from rest at a constant 2.0 rad/s².  What is the tangential component of acceleration for a point on the outer edge of the tire?

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Expert Answer

Step 1

The magnitude of the tangential acceleration  at  for a rotating body with a constant angular acceleration  α is given by,

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а, 3 aR

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Step 2

Here R is the radius of the tire.

Substitute 2.0 rad/s2 for α , 0.3 m for ...

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- (2rad/s2)(0.3m) 0.6m/s2

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