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A car weighs 2200 lb, with 65% of this weight on the front tires. Assume all four tires areinflated to 32 psig at 10°F, and the tires carry no vertical

loads in their side walls. Atmosphericpressure is 14.7 psi. Find the total contact area between the tires and the road [in?]. Now assume the temperature rises to 100°F with no leakage or volume change. What willbe the total tire-road contact area now [in-]?

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