a road roller makes 5000 revolution in covering 22km . Finf the radius of the roller.
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Circumference *total no of revolutions=distance covered
⇒2*22/7*r*5000=22*1000
⇒44/7*r*5000=22000
⇒r=22000*7/44*5000
⇒r=0.7m
⇒2*22/7*r*5000=22*1000
⇒44/7*r*5000=22000
⇒r=22000*7/44*5000
⇒r=0.7m
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