The number of revolutions through which a pulley will rotate from rest – McqOptions

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1.	The number of revolutions through which a pulley will rotate from rest if its angular acceleration is increased uniformly from zero to 12 rad per sec2 during 4 sec and then uniformly decreased to 0 rad per sec2 during the next 3 sec would be
A.	46.4
B.	26.74
C.	11.6
D.	3.2
E.	17.7
Answer» C.

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