Solved: A 70-cm-diameter wheel accelerates uniformly about

Chapter 2, Problem 12P

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QUESTION:

Problem 12P

A 70-cm-diameter wheel accelerates uniformly about its center from 130 rpm to 280 rpm in 4.0 s. Determine (a) its angular acceleration, and (b) the radial and tangential components of the linear acceleration of a point on the edge of the wheel 2.0 s after it has started accelerating.

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QUESTION:

Problem 12P

A 70-cm-diameter wheel accelerates uniformly about its center from 130 rpm to 280 rpm in 4.0 s. Determine (a) its angular acceleration, and (b) the radial and tangential components of the linear acceleration of a point on the edge of the wheel 2.0 s after it has started accelerating.

ANSWER:

Step 1 of 4

The following are given by question:

The diameter of the wheel, 

Time interval, 

Number of revolutions .

The initial angular velocity is given by

The final angular velocity is given by

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