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23 Nov 2019
A disk rotates with constant angular acceleration. The initialangular speed of the disk is 2p rad/s. After the disk rotatesthrough 2p radians, the angular speed is 19p rad/s.
(a) What is the magnitude of the angular acceleration?
1 rad/s2
(b) How much time did it take for the disk to rotate through 2pradians?
2 s
(c) What is the tangential acceleration of a point located at adistance of 8 cm from the center of the disk?
3 m/s2
A disk rotates with constant angular acceleration. The initialangular speed of the disk is 2p rad/s. After the disk rotatesthrough 2p radians, the angular speed is 19p rad/s.
(a) What is the magnitude of the angular acceleration?
1 rad/s2
(b) How much time did it take for the disk to rotate through 2pradians?
2 s
(c) What is the tangential acceleration of a point located at adistance of 8 cm from the center of the disk?
3 m/s2
Jamar FerryLv2
23 Nov 2019
