how many times a
wheel of a 28 cm diameter must rotate to go 352m (take pi=22/7)
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d=28cm,v=352m/s,v=d/t,t=d/v , t=28×10^-2×2×22÷7/352
t=2464/2464,t=1s
t=2464/2464,t=1s
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