<PRE><B>Question 601768</B>
A bucket is raised from a well by means of a rope which is wound round a wheel of diameter 77 cm .
Perimeter = (pi)d = 77(pi) cm
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given that the bucket ascends in 1 min 28 secs with a uniform speed of 1.1 m/sec,
1 min 28 sec = 88 seconds
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# of meters = 88*1.1 = 968 meters
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calculate the number of revolutions the wheel makes in raising the bucket.
# of revolutions = 968/(77(pi)) = 4 revolutions.

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Cheers,
Stan H.
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