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Chapter 14: Q.9 (page 384)
A 50-cm-thick layer of oil floats on a 120-cm-thick layer of water. What is the pressure at the bottom of the water layer?
Total pressure is 117 Kpa
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What is the tension of the string in FIGURE EX14.21?
Blocks a, b, and c in FIGURE Q14.7 have the same density. This
A rock whose density is is suspended by a string such that half of the rock鈥檚 volume is under water. What is the tension in the string?
A friend asks you how much pressure is in your car tires. You know that the tire manufacturer recommends , but it's been a while since you've checked. You can't find a tire gauge in the car, but you do find the owner's manual and a ruler. Fortunately, you've just finished taking physics, so you tell your friend, "I don't know, but I can figure it out." From the owner's manual you find that the car's mass is. It seems reasonable to assume that each tire supports one-fourth of the weight. With the ruler you find that the tires are wide and the flattened segment of the tire in contact with the road is long. What answer-in psi-will you give your friend?
A nuclear power plant draws of cooling water from the ocean. If the water is drawn in through two parallel,-diameter pipes, what is the water speed in each pipe?
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