CBSE Class 9 Answered
A car wheel has diameter 0.8m. It takes 1 minute to make one revolution.Calculate its speed.
Asked by | 10 Jun, 2008, 05:46: PM
Expert Answer
the radius of the car is .4m
speed = distance/time
distance = 2πr
time = 60sec
use the above formula and calculate the ans
Answered by | 11 Jun, 2008, 12:04: PM
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