Question

A flywheel rotates at 1200 rev/min. Find it's a) frequency b) angular speed c)time period d)time required to turn through 72°

Answer 1

Answer:

frequency=1200/60=20 hertz

time period=60/1200=1/20 sec

angular speed =20

Answer 2

Answer:

i) 1200 rpm

ii) 40 pi rad/sec

iii) 0.05 sec

iv) 0 01 sec

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