9. The weight of a car is equally supported by its four tires, each of which has an area of 150 cm^2 in contact with the

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9. The weight of a car is equally supported by its four tires, each of which has an area of 150 cm^2 in contact with the ground. If the gauge pressure of the air in each tire is 60 psi, find the mass of the car. O 500 Mg O 523 Mg O 632.55 kg O 632.55 Mg
8. A tire inflated to gauge pressure of 5 points 2 bars has a nail 3 mm in diameter embedded in it. What is the force tending to push the nail out of the tire? 1 bar = 100 kPa 101 Pa O 1.414 KN O 1.414 N O 101 kPa
18. Kerosene leaks out of a hole 0.5 10 points in in diameter at the bottom of a tank at a rate of 10 gal/min. How high is the kerosene in the tank? 1 gal = 0.134 ft^3 O 4.16 in ○ 4.16 m O4.16 ft^2 O 4.16 ft
14. If the density of the atmosphere were uniform at sea level density instead of decreasing with altitude, how thick a layer would form? O 9 km O 7 km 8443.75 m O 9678.95 m 4 points
19. Water and oil are poured into the 5 points ends of a glass tube bent into a U- shape, as in the figure. Find the density of the oil in grams per cubic centimeter. 50 mm Water Oil U 769.23 kg/m^3 O 769.23 kN/m^3 O 0.769 g/cc O 0.769 kg/cm^3 65 mm
4. A ship sails from seawater (specific gravity 1.03) into fresh water and therefore sinks slightly. When its load of 600 Mg is removed, it returns to its original level. Assuming that the sides of the ship are vertical at the waterline, find the mass of the ship before it was unloaded. 20.6 kg 20.6 Mg 206 Mg 20.6 Gg