The term heat in physics is
A. equivalent to temperature.
B. equivalent to internal energy.
C. the same as work.
D. any energy transferred to a body that raises the temperature of the body.
E. energy transferred to a body because of a difference in temperature.
Answer: E
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A rigid cylinder (15 cm radius, 15 cm height) contains nitrogen gas 
at standard temperature and pressure. What is the total translational kinetic energy of the gas molecules in the cylinder?
A. 1.6 kJ B. 0.51 kJ C. 0.86 kJ D. 2.7 kJ
The following objects are found in a spiral arm of a galaxy. Which is the exception?
a. population II stars b. OB associations c. emission nebulae d. population I stars e. clouds of gas and dust
The figures below represent interference fringes. The distances from the screen to the slits is the same for each figure, and the planes of the screen and the slits are parallel. Which figure(s) represent(s) slits with the smallest spacing d between the slits? The white spaces represent the interference maxima
a.
I.
b.
II.
c.
III.
d.
IV.
e.
V.
What is Ceres?
A) the largest known asteroid B) the first asteroid to have been visited by a spacecraft C) the largest moon of Pluto D) a dwarf planet that orbits the Sun in the Kuiper belt beyond the orbit of Pluto