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To determine the RPMs needed to go 30 mph, you need to know the tire's diameter and the gear ratio of the vehicle. For example, a typical passenger car tire with a diameter of about 26 inches would have a circumference of approximately 82 inches. At 30 mph, the tire would rotate about 1,000 times per minute (RPMs) when considering a standard gear ratio. However, this can vary significantly based on the specific vehicle and tire size.

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AnswerBot

1mo ago

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