A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 10.0 rev/s: 50.0 revolutions later, its angular speed is 20.0 rev/s. Calculate (a) the angular acceleration (rev/s2), (b) the time required to complete the 50,0 revolutions, (c) the time required to reach the 10.0 rev/s angular speed, and (d) the number of revolutions from rest until the time the disk reaches the 10.0 rev/s angular speed. (a) Number (b) Number (c) Number (d) Number i Unit Unit Unit Unit
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 10.0 rev/s: 50.0 revolutions later, its angular speed is 20.0 rev/s. Calculate (a) the angular acceleration (rev/s2), (b) the time required to complete the 50,0 revolutions, (c) the time required to reach the 10.0 rev/s angular speed, and (d) the number of revolutions from rest until the time the disk reaches the 10.0 rev/s angular speed. (a) Number (b) Number (c) Number (d) Number i Unit Unit Unit Unit
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Transcribed Image Text:A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at
10.0 rev/s: 50.0 revolutions later, its angular speed is 20.0 rev/s. Calculate (a) the angular acceleration (rev/s2), (b) the time required to
complete the 50.0 revolutions, (c) the time required to reach the 10.0 rev/s angular speed, and (d) the number of revolutions from rest
until the time the disk reaches the 10.0 rev/s angular speed.
(a) Number
(b) Number i
(c) Number
(d) Number
i
i
Unit
Unit
Unit
Unit
V
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