Which of the following statements about Pluto is true?
A) It has more in common with other icy objects in the Kuiper belt than it does with the jovian planets (Jupiter, Saturn, Uranus, Neptune).
B) It is the most massive object that orbits the Sun beyond the orbit of Neptune.
C) It is orbited by only one moon.
D) It is the only object in our solar system that is categorized as a "dwarf planet."
A) It has more in common with other icy objects in the Kuiper belt than it does with the jovian planets (Jupiter, Saturn, Uranus, Neptune).
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For a mole of material, the increment of heat (dQ) added to the material divided by the change in temperature (dT) is the heat _____________.
Fill in the blank(s) with the appropriate word(s).
A wire, 0.60 m in length, is carrying a current of 2.0 A and is placed at a certain angle with respect to the magnetic field of strength 0.30 T
If the wire experiences a force of 0.18 N, what angle does the wire make with respect to the magnetic field? A) 20° B) 25° C) 30° D) 35° E) 60°
Potential of Point-Charges: Point charges +4.00 ?C and +2.00 ?C are placed at the opposite corners of a rectangle as shown in the figure. What is the potential at point B due to these charges? (k = 1/4??0 = 8.99 × 109 N ? m2/C2) 
A. 8.99 kV B. 11.2 kV C. 89.9 kV D. 899 kV E. 112 kV
Three moles of an ideal gas with a molar heat capacity at constant volume of 4.9 cal/(mol?K) and a molar heat capacity at constant pressure of 6.9 cal/(mol?K) starts at 300 K and is heated at constant pressure to 320 K,
then cooled at constant volume to its original temperature. How much heat flows into the gas during this two-step process? A) 710 cal B) -720 cal C) 0 cal D) 120 cal E) -120 cal