Suppose a disk rotates at constant angular velocity.
(a) does a point on the rim have radial...
Physics, 05.12.2019 21:31 mckleinrivero
Suppose a disk rotates at constant angular velocity.
(a) does a point on the rim have radial and or tangential acceleration?
(b) if the disk’s angular velocity increases uniformly, does the point have radial and or tangential acceleration?
(c) for which cases would the magnitude of either component of linear acceleration change
Answers: 3
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Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
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