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A centrifuge accelerates uniformly from rest to 18000 rpm in 180 s. Through how many revolutions did it turn in this time?
14 years ago

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bobpursley
d=wi*t+1/2 a t^2

revolutions= 0+1/2 (18000rpm/180)180^2

or you could have used
revolutions= avg veloicty*time
14 years ago

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