physics

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

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asked by Cara
  1. 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

    posted by bobpursley

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