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Chapter 11: Q7CQ (page 394)
Figure shows a glass of ice water filled to the brim. Will the water overflow when the ice melts? Explain your answer.
Density of ice is less than that of water so melted ice will occupy less space than ice.
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In a remote location near the North Pole, an iceberg floats in a lake. Next to the lake (assume it is not frozen) sits a comparably sized glacier sitting on land. If both chunks of ice should melt due to rising global temperatures (and the melted ice all goes into the lake), which ice chunk would give the greatest increase in the level of the lake water, if any?
Why is it difficult to swim under water in the Great Salt Lake?
Scurrilous con artists have been known to represent gold-plated tungsten ingots as pure gold and sell them to the greedy at prices much below gold value but deservedly far above the cost of tungsten. With what accuracy must you be able to measure the mass of such an ingot in and out of water to tell that it is almost pure tungsten rather than pure gold?
The outward force on one end of an air tank was calculated in Example 11.2. How is this force balanced? (The tank does not accelerate, so the force must be balanced.)?
Could capillary action be used to move fluids in a 鈥渨eightless鈥� environment, such as in an orbiting space probe?
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