The diameter of the wheel of a car is 14 m. it makes 5 revolutions per 11 seconds. what is the speed of the car?
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in one revolution a wheel covers distance equal to its circumference.... 2pi r
in 5 revolution it will cover 5*2*22/7*7=d(let)
Now t=11s
s=d/t
s=d/11
put d from above
in 5 revolution it will cover 5*2*22/7*7=d(let)
Now t=11s
s=d/t
s=d/11
put d from above
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