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Question 1
At t = 0, a pulley rotating on a fixed axle with a constant acceleration has an initial angular velocity of 2.7 rad/sec. After 6.35 seconds, it has completed 14 revolutions. What is its angular acceleration in rad/sec2?
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Question 2
In Question #1, what is the pulley's angular velocity at the end of the 6.35 seconds?
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Question 3
From Question #2, what is the linear velocity of a point on the rim of the pulley at exactly 6.35 seconds if the pulley's diameter is 44 cm?
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Question 4
What is the instantaneous centripetal acceleration experienced by the point on the rim in Question #3?
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Question 5
If cord is being wrapped along the edge of the pulley in Question #1 as it turns, how much time would be needed to accumulate 52 meters of cord around the rim?
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Question 6
Which of the following graphs of omega vs time correctly protrays the behavior ot this pulley?
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