A body is oscillating up and down at the end of a spring. Let's ...

[Beheh]

A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up and down motion. If the earth's mass were suddenly made larger but the moon's mass stayed the same,
 a. the earth would exert a larger force on the moon
  b. the moon would exert a larger force on the earth
  c. the earth would exert a larger force on the moon but the moon would exert the same force on the earth as before
  d. none of the above

Question 2

What does a breeder reactor do?
 a. Produces plutonium from uranium and thereby creates more nuclear fuel than it uses.
  b. Creates independent chain reactions that then separate from their parents and become new energy sources.
  c. Uses controlled rates of reaction to conserve nuclear fuel.
  d. Creates its own neutron bombardment beam out of the neutrons that escape from the uranium as it decays.
  e. Creates its own control rods out of the lead resulting from uranium decay.

[quynhmickitran]

Answer to Question 1

A, B

Answer to Question 2

a