Multiple Choice
A turntable is initially at rest.It starts rotating with a constant maximum angular acceleration for a period of 5 seconds.It then starts to slow down with an angular acceleration of -1 rad/s2 for another 5 seconds.At the end of the 10 second period the turntable has undergone 20 rotations.What is the maximum angular acceleration the turntable reaches?
A) -1 rad/s2
B) 2 rad/s2
C) 1 rad/s2
D) -3.68 rad/s2
E) 3.68 rad/s2
Correct Answer:

Verified
Correct Answer:
Verified
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