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Question
Does Earth's surface significantly influence the flow of air above it?Answer
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Related questions
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Heat energy is measured in units of
A) degrees.
B) joules.
C) calories.
D) both joules and calories.
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When the temperature of a fixed volume of air initially at 0 C is lowered by 1 degree, its pressure
A) decreases by 1/273.
B) decreases by 100/273.
C) increases by 1/273.
D) increases by 100/273.
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Which of these is the smallest?
A) 1 Celsius degree
B) 1 kelvin
C) 1 Fahrenheit degree
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Whether one object is warmer than another object has most to do with molecular
A) kinetic energy.
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If water had a lower specific heat capacity, would ponds and lakes be more or less likely to freeze in winter?
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Distinguish between the concepts of thermal energy, temperature, and heat.
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Water at 4C will expand when it is slightly
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B) warmed.
C) both of these
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If water at 0C slightly increases in temperature, the water
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If water at 20C slightly increases in temperature, the water
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The operation of a bimetallic strip relies on differences in
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A kg of 40C water and a kg of 20C water, after being mixed, have a temperature of 30C. However, the final temperature of a 1-kg iron block at 40C placed into 1 kg of water at 20C is
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The moderate temperatures of islands throughout the world has mainly to do with water's
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A) becomes more ordered.
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C) reaches equilibrium.
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When work is done by a system and heat is subtracted, the temperature of the system
A) increases.
B) decreases.
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Which law of thermodynamics addresses the direction of heat flow?
A) First law
B) Second law
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Which law of thermodynamics states that no system can reach absolute zero?
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Q:
At some point between Earth and the Moon, the forces due to gravity on a space traveler would be the same when this point is
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B) nearer the Moon.
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Two objects move toward each other due to gravity. As the objects get closer and closer, the acceleration of each
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According to Newton, the greater the distance between gravitationally interacting objects, the
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B) half as much.
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C) remain the same.
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Newton discovered
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An Earth satellite in an elliptical orbit travels slowest when it is
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An Earth satellite in an elliptical orbit travels fastest when it is
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C) neither of these
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From Earth, one satellite appears to overtake another. The faster satellite that is seen to overtake the other is
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The fastest moving planet in a solar system is the
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D) planet farthest from the Sun.
E) none of the above