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sud21
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A car wheel rotates for 65000 miles. Its diameter is 18 cm. Find the no. of times it rotates.
1). Over 65000 miles the area of the wheel 2pi remains constant
2). Over 65000 miles, the wheel covers 45000 miles in an hour.
1). Over 65000 miles the area of the wheel 2pi remains constant
2). Over 65000 miles, the wheel covers 45000 miles in an hour.
