the diameter of the wheel of a bus is 140 cm. how many revolutions per minute must a wheel make in order to move at a speed of 66 km per hour
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The no of revolution per minute would be 250.
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Answered by
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Answer:
Step-by-step explanation:
Circumference x no. Of revolutions = total distance
2x22/7x70 x n = 66x1000x100(in cm)/60
nx440=110000
n=110000/440
n=11000/44
n=250
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