Asked by pakilina
A wheel is turning at a speed of 2.0 rev/sec and is allowed to coast to rest. If it does so in 30 sec, how far did it turn in the process? Assume uniform acceleration.
Answers
Answered by
Henry
a = (Vf - Vo) / t,
a = (0 - 2) / 30 = -0.06666.
d = Vo*t + 0.5at^2,
d = 2*30 - 0.03333*(30)^2 = 30m.
d =
a = (0 - 2) / 30 = -0.06666.
d = Vo*t + 0.5at^2,
d = 2*30 - 0.03333*(30)^2 = 30m.
d =
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