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27-03-2020
Physics

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A disk with a diameter of 0.05 m is spinning with a constant velocity about an axle perpendicular to the disk and running through its center. 1)How many revolutions per second would it have to rotate in order for the acceleration of the outer edge of the disk to be 12 g's (i.e., 12 times the gravitational acceleration g)? f =

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hafsaabdulhai hafsaabdulhai

30-03-2020

Answer:

f= 7.8Hz

Explanation:

a= 12g= 120m/s²

a= ω²r

120= ω²×0.05

ω= 48.99 rad/s

2πf= 48.99

f= 7.8Hz

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