Long period comets are thought to reside mainly in the
A) asteroid belt.
B) Kirkwood gaps.
C) Kuiper Belt.
D) Oort Cloud.
E) Interstellar Medium.
D
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Which of the following nuclear fuels does a one solar mass star use over the course of its entire evolution?
a. hydrogen b. hydrogen and helium c. hydrogen, helium and carbon d. hydrogen, helium, carbon, and neon e. hydrogen, helium, carbon, neon, and oxygen.
Huygens' principle applies mainly to
A) refraction of waves in a medium. B) reflection of waves. C) both of these D) neither of these
In a parallel RLC circuit, where IR = IR, max sin(?t), the current through the capacitor, IC, is
A. IC = ?IC, max sin(?t). B. IC = IC, max sin(?t). C. IC = ?IC, max cos(?t). D. IC = IC, max cos(?t). E. IC = IC, max tan(?t).
? If the total translational kinetic energy of the molecules of oxygen in a container is 15 J at room temperature, what is the total rotational kinetic energy of these molecules?
A. ?5 J B. ?10 J C. 20J D. ?25 J E. 0J