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DVD disc rotates from rest up to an angular velocity of 242.4 rad/s in a time of 0.912   s.  (a) what is the angular acceleration of the disc, assuming the angular acceleration   is uniform?  (b) Through what angle does the disc turn while coming up to speed?  (c) If the radius of the disc is 4.67 cm, find the tangential velocity of a microbe riding on   the rim of the disc when t = 0.912 s.  (d) what is the magnitude of the tangential   acceleration of the microbe at the given time?

DVD disc rotates from rest up to an angular velocity of 242.4 rad/s in a time of 0.912   s.  (a) what is the angular acceleration of the disc, assuming the angular acceleration   is uniform?  (b) Through what angle does the disc turn while coming up to speed?  (c) If the radius of the disc is 4.67 cm, find the tangential velocity of a microbe riding on   the rim of the disc when t = 0.912 s.  (d) what is the magnitude of the tangential   acceleration of the microbe at the given time?

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DVD disc rotates from rest up to an angular velocity of 242.4 rad/s in a time of 0.912  
s. 
(a) what is the angular acceleration of the disc, assuming the angular acceleration  
is uniform? 
(b) Through what angle does the disc turn while coming up to speed? 
(c) If the radius of the disc is 4.67 cm, find the tangential velocity of a microbe riding on  
the rim of the disc when t = 0.912 s. 
(d) what is the magnitude of the tangential  
acceleration of the microbe at the given time? 

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