physics

posted by Cara

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

  1. 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

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