According to our theory of solar system formation, which law best explains why the central regions of the solar nebula got hotter as the nebula shrank in size?
A) the two laws of thermal radiation
B) the law of conservation of angular momentum
C) the law of universal gravitation
D) the law of conservation of energy
D) the law of conservation of energy
You might also like to view...
What would happen to the core of the sun if its temperature rose slightly?
A) The rate at which fusion occurs would increase, leading to a contraction of the core, which would in turn cause the temperature to rise even further. B) The rate at which fusion occurs would decrease, leading to a contraction of the core, which would in turn cause a further temperature rise. C) The rate at which fusion occurs would decrease, leading to an expansion of the core, which would in turn cause the temperature to drop back down. D) The rate at which fusion occurs would increase, leading to an expansion of the core, which would in turn cause the temperature to drop back down.
Size of the Nucleus: To a reasonable approximation, the density of a nucleus
A. is independent of the mass number. B. is greater for large-Z nuclei. C. is smaller for large-Z nuclei. D. varies unpredictably for different values of Z.
A piece of glass that appears red
A) absorbs or reflects all colors except red. B) transmits red. C) both of these D) neither of these
A +7.00 ?C point charge and -9.00 ?C point charge are placed along the x-axis at x = 0.000 cm and x = 40.0 cm, respectively
Where must a third charge, q, be placed along the x-axis so that it does not experience any net electric force due to the other two charges? A) -0.200 m B) 2.99 m C) -0.187 m D) -2.99 m E) 0.187 m