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Answer to Question #41440 in Mechanics | Relativity for irebami

Question #41440
A pulley is rotating at the rate of 32 rev/min. A motor speeds up the wheel so that 30 s later it is turning at 82 rev/min. what is the average angular acceleration in radians per second
a. 0.17
b. 2.11
c. 0.32
d. 1.41
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