A bug (2 grams) crawls from the edge to the center of a disk that is freely turning at 20 rpm.The disk has a mass of 11 grams and a radius of 26 cm.What is the disk's new angular speed?
A) 10.3 rpm
B) 12.6 rpm
C) 27.7 rpm
D) 33.0 rpm
E) 14.7 rpm
Correct Answer:
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