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Chapter 14: Q. 1 (page 383)
What is the volume in mL of 55 g of a liquid with density 1100 kg/m3?
Volume of the liquid is V = 50 ml.
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A , steel cylinder floats in mercury. The axis of the cylinder is perpendicular to the surface. What length of steel is above the surface
An object has density 蚁.
a. Suppose each of the object鈥檚 three dimensions is increased by a factor of 2 without changing the material of which the object is made. Will the density change? If so, by what factor? Explain.
b. Suppose each of the object鈥檚 three dimensions is increased by a factor of 2 without changing the object鈥檚 mass. Will the density change? If so, by what factor? Explain.
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?
The two identical beakers in FIGURE Q14.9 are filled to the same height with water. Beaker B has a plastic sphere floating in it. Which beaker, with all its contents, weighs more? Or are they equal? Explain.
A 20-cm-diameter circular cover is placed over a 10-cm-diameter hole that leads into an evacuated chamber. The pressure in the chamber is 20 kPa. How much force is required to pull the cover off?
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