The heat capacity of an object is:
A. the amount of heat energy that raises its temperature by 1? C
B. the amount of heat energy that changes its state without changing its temperature
C. the amount of heat energy per kilogram that raises its temperature by 1? C
D. the ratio of its specific heat to that of water
E. the change in its temperature caused by adding 1 J of heat
Answer: A. the amount of heat energy that raises its temperature by 1? C
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The center of mass of an object must always be located where the physical material of the object is located
Indicate whether the statement is true or false
The kilogram is currently defined as
A) the mass of a platinum-iridium cylinder kept in Sévres, France. B) the weight of a platinum-iridium cylinder as measured on the Earth's moon. C) the mass of 5.9786332 × 1026 protons. D) the mass of one liter of pure water, free of air, at standard temperature and pressure. E) the mass of a cube of pure water, free of air, 10 cm on each side, at standard temperature and pressure.
Regarding the relation between acceleration, force, and mass, an object's acceleration is
A) inversely proportional to the force on it and proportional to the object's mass. B) proportional to the inverse of the height of the Empire State Building. C) proportional to the force on it and inversely proportional to the object's mass. D) proportional to the force on it and proportional to the object's mass. E) inversely proportional to the force on it and inversely proportional to the object's mass.
The San Andreas fault lies on the boundary of the Pacific plate and the ______________ plate
Fill in the blank(s) with correct word