Pressure: The weight of a 1200-kg car is supported equally by the four tires, which are inflated to the same gauge pressure. What gauge pressure is required so the area of contact of each tire with the road is 100 cm2?
A. 12 × 105 Pa
B. 12 × 104 Pa
C. 2.9 × 105 Pa
D. 2.9 × 104 Pa
Answer: C
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