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An automobile tire is rated to last for 60,000 miles. To an order of magnitude, through how many revolutions will it turn? I don't know what circumference i should use for 1 rev

  • physics -

    According to
    http://www.ajdesigner.com/fl_tire/tire.php
    the circumference of a typical automobile tire (205 60SR15) is 2.0 meters.

    Convert 30,000 miles to meters (by multiplying by 1609 meters/mile) and divided it by 2 meters per revolution.

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