how many times will the wheel of a car rotate in a journey of 88 km, given that the diameter of the wheel is 56cm?
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NO.OF REVOLUTIONS BE n
d=56cm DISTANCE = 88km = 88×1000×100cm
circumference of tyre × no revolutions = distance
⇒2×22÷7×28×n = 88000×100
⇒n = 88000×100×7÷2×22×28 ⇒ n = 50000 revolutions
d=56cm DISTANCE = 88km = 88×1000×100cm
circumference of tyre × no revolutions = distance
⇒2×22÷7×28×n = 88000×100
⇒n = 88000×100×7÷2×22×28 ⇒ n = 50000 revolutions
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