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Question
A boat loaded with scrap iron floats in a swimming pool. When the iron is thrown overboard, the pool level willA) rise.
B) fall.
C) remain unchanged.
Answer
This answer is hidden. It contains 1 characters.
Related questions
Q:
Which requires more energy?
A) melting a gram of 0C ice
B) increasing the temperature of 1 gram of water from 0C to 100C
C) changing 1 gram of 100C water to 100C steam
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In walking barefoot on red-hot coals, providing that bits of coal do not stick to your feet, it would be safer if your feet are
A) wet.
B) dry.
C) either of these
D) none of the above
Q:
As a block of ice at 0C melts, the block absorbs energy
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B) and increases in temperature.
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B) raise the freezing point of water.
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C) the same as at sea level.
Q:
A good cook knows that the temperature of violently boiling water is
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B) the same as that of simmering water.
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Q:
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Long ago a runaway greenhouse effect greatly transformed the planet
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Q:
When you leave your warm house for an hour or so on a cold day, to save energy you should turn the thermostat
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Q:
A good reflector of radiation is a
A) good absorber of radiation.
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Q:
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A) still warm.
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Q:
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A) conduction.
B) convection.
C) radiation.
D) all about equally
Q:
A water-filled paper cup held in a flame will not catch fire because
A) the inside of the paper is wet.
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Q:
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B) slows heat flow.
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A) calories.
B) Calories.
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D) any or all of the above for special cases
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Heat is thermal energy that matter
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C) both of these
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Q:
Heat energy is measured in units of
A) degrees.
B) joules.
C) calories.
D) both joules and calories.