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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. 50 g of gasoline are mixed with 50 g of water. What is the average density of the mixture?
b. 50 cm3 of gasoline are mixed with 50 cm3 of water. What is the average density of the mixture?
A 3.0-m-tall, 50-cm-diameter concrete column supports a 200,000 kg load. By how much is the column compressed?
Geologists place tiltmeters on the sides of volcanoes to measure the displacement of the surface as magma moves inside the volcano. Although most tiltmeters today are electronic, the traditional tiltmeter, used for decades, consisted of two or more water-filled metal cans placed some distance apart and connected by a hose. FIGURE shows two such cans, each having a window to measure the water height. Suppose the cans are placed so that the water level in both is initially at the mark. A week later, the water level in can is at the mark.
A. Did can move up or down relative to can ? By what distance?
B. Where is the water level now in can ?
The deepest point in the ocean is 11 km below sea level, deeper than Mt. Everest is tall. What is the pressure in atmospheres at this depth?
A research submarine has a 20-cm-diameter window 8.0 cm thick. The manufacturer says the window can withstand forces up to 1.0 * 106 N. What is the submarine’s maximum
safe depth? The pressure inside the submarine is maintained at 1.0 atm.
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