Wavelengths of light and sound
When you walk past an open door of a room in your house in which a person is speaking, you can hear the person long before you can see him. Why? What does this tell you about the wavelengths of light and sound?
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A 7 kg sample of mercury is completely solidified and liberates 110 kJ of energy. What is the original temperature of the mercury? (The melting point of mercury is 234 K, the heat of fusion of mercury is 11.3 kJ/kg, and the specific heat of mercur
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On January 1, 2014, Blair Corporation purchased for $500,000 a tract of land (site number 101) with a building. Blair paid a real estate broker's commission of $36,000.
Determine the total amount of heat absorbed by 100.0 grams of water at its boiling point [100 celsuis] to chang from liquid to gas.
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