- #1
Bad Vibration
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Homework Statement
A disk is under constant angular acceleration [tex]\alpha[/tex]. When it starts from rest it takes 10 revolutions before it reaches angular velocity [tex]\omega[/tex]. How many additional revolutions does it take to accelerate the disk further to an angular velocity of 3[tex]\omega[/tex]?
The Attempt at a Solution
The answer is 80, I just can't figure out why.
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