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Question
In his special theory of relativity, Einstein stated that the laws of physics areA) different in different situations.
B) common sense applied to microscopic and macroscopic things.
C) the same in all frames of reference.
D) the same in all uniformly moving frames of reference.
Answer
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Related questions
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Heat energy is measured in units of
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C) 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
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B) decreases by 100/273.
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D) increases by 100/273.
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Which of these is the smallest?
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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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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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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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A) becomes more ordered.
B) becomes less ordered.
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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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Q:
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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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A) less the gravitational force between them.
B) more the gravitational force between them.
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B) half as much.
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Newton discovered
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E) none of the above