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Chapter 14: Q. 2 (page 383)
Rank in order, from largest to smallest, the pressures at a, b, and c in FIGURE Q14.2. Explain.
The pressure in the decreasing order as Pb > Pc> Pa
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You and your friends are playing in the swimming pool with a beach ball. How much force would be needed to push the ball completely under water?
The container shown in FIGURE EX14.12 is filled with oil. It is open to the atmosphere on
the left.
a. What is the pressure at point A?
b. What is the pressure difference between points A and B? Between points A and C?
Cylinders A and B have equal heights. Cylinder A is filled with helium gas at 1.0 atm pressure and 0 oC. The diameter of cylinder B is half that of cylinder A, and cylinder B is filled with glycerin. What is the ratio of the fluid mass in cylinder B to that in cylinder A?
One day when you come into physics lab you find several plastic hemispheres floating like boats in a tank of fresh water. Each lab group is challenged to determine the heaviest rock that can be placed in the bottom of a plastic boat without sinking it. You get one try. Sinking the boat gets you no points, and the maximum number of points goes to the group that can place the heaviest rock without sinking. You begin by measuring one of the hemispheres, finding that it has a mass and a diameter of . What is the mass of the heaviest rock that, in perfectly still water, won't sink the plastic boat?
A 6.0 m * 12.0 m swimming pool slopes linearly from a 1.0 m depth at one end to a 3.0 m depth at the other. What is the mass of water in the pool?
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