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Solved: A 70-cm-diameter wheel accelerates uniformly about
Chapter 2, Problem 12P(choose chapter or problem)
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.
Questions & Answers
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