average speed is half of top speed (from zero start)
rps = rpm / 60
(ave rps) * 0.8 s = revolutions
You grabbed a power drill that claims it can reach 2234 rpm in 0.8 s. How many revolutions does the drill make in 0.8 s?
3 answers
acceleration = a = [ (2234-0) res/60s ] /.8s
= 46.54 revs/s^2
revs = (1/2)a t^2
= (1/2)(46.54)(.64) = 14.9 revs
= 46.54 revs/s^2
revs = (1/2)a t^2
= (1/2)(46.54)(.64) = 14.9 revs
Either way :)