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a flywheel with a diameter of 0.989 m is rotating at an angular speed of 192 rev/min. what is the angular speed of the flywheel in radians per second. what is the linear speed



Answer :

The angular speed and linear speed of the flywheel radians per second is 20.096 rad/sec and 7.9017m/sec respectively.

Diameter of  flywheel, d = 0.989 m

flywheel is rotating at an angular speed, N =  192 rev/min.

radius of flywheel, r = d/2 = 0.989 m/2

r = 0.3932m

  • angular speed of the flywheel is calculated as :

ω = 2πN / 60

ω = (2 x 3.14 x 192 )/ 60

ω = 20.096 rad/sec

  • linear speed is calculated as:

v = rω

v = 0.3932 x 20.096

v = 7.90174m/s

The angular speed and linear speed of the flywheel radians per second is 20.096 rad/sec and 7.9017m/sec respectively.

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