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Q3: Metals are good conductors of both heat
Q16: About what percentage of molecules in the
Q17: When the temperature of a solid block
Q23: Pour a liter of water at 40°C
Q31: If the speed of a bicycle is
Q38: Strictly speaking, to weigh less in the
Q45: Consider a monkey wrench released at rest
Q48: An open freight car rolls friction free
Q63: Which of these is correct?<br>A)a piece of
Q85: A ball rolled along a horizontal surface