1.

Theangula speed of a fly-wheel making 120 revolutions /minute is :

Answer»

`4pirads^(-1)`
`4PI^(2)rads^(-1)`
`pirads^(-1)`
`2pi" rad "s^(-1)`

Solution :`omega=2pin`
ANGULAR SPEED of flywheel=`(120xx2pi)/(60)(rad)/(s)impliesomega=4pirads^(-1)`


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