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
You might also like to view...
A positively charged metal sphere A is brought into contact with an uncharged metal sphere B. As a result:
A) both spheres are positively charged B) A is positively charged and B is neutral C) A is positively charged and B is negatively charged D) A is neutral and B is positively charged E) A is neutral and B is negatively charged
The half angle of the conical shock wave produced by a supersonic aircraft is 60°. What is the Mach number of the aircraft?
A) 2.0 B) 0.87 C) 1.73 D) 1.15 E)
A student adds two displacement vectors that have the magnitudes of 12.0 m and 5.0 m. What is the range of possible answers for the magnitude of the resultant vector?
What will be an ideal response?
48 grams of oxygen at room temperature consists of how many moles?
a. 3.0 b. 1.5 c. 0.75 d. more than 3.0 e. less than 0.75