Question

During the spin cycle of your clothes washer, the tub rotates at a steady angular velocity...

During the spin cycle of your clothes washer, the tub rotates at a steady angular velocity of 32.932.9 rad/s. Find the angular displacement of the tub during a spin of 60.960.9 s, expressed both in radians and in revolutions.

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Answer #1

ωi =32.9329 rad/s

steady angular velocity so α = 0

t=  60.960 sec

θ =ωi*t +1/2*α*t2 = ωi*t +0 =ωi*t = 32.9329* 60.960 = 2007.58958rad = 2008 rad

one revolution = 2pi rad

so

number of revolutions =2007.58958 /(2pi) =319.517805 = 320 revolutions

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