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18 Dec 2019
A wheel of radius 4.0 m is initially spinning with a constantangular speed of 8.0 rad/s. The angular speed is then increased to10 rad/s over the next 4.0 s. Assume that the angular accelerationis constant. What is the magnitude of the angular acceleration ofthe grindstone?
A. .5 rad/s^2
B. 2.0 rad/s^2
C. 4.5 rad/s^2
D. 9.0 rad/s^2
A wheel of radius 4.0 m is initially spinning with a constantangular speed of 8.0 rad/s. The angular speed is then increased to10 rad/s over the next 4.0 s. Assume that the angular accelerationis constant. What is the magnitude of the angular acceleration ofthe grindstone?
A. .5 rad/s^2
B. 2.0 rad/s^2
C. 4.5 rad/s^2
D. 9.0 rad/s^2
22 Jan 2023
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Nestor RutherfordLv2
31 Dec 2019
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