The radius of the wheel of a vehicle is 70cm the wheel makes 10 revolutions in 5 secondseconds the speed of the vehicle is
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perimeter = 2*22/7*r
r = 70cm = 0.7m
perimeter = 4.4m
speed = distance/time
total distance = no. of rev * perimeter
= 44/5
8.8m/s
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