The speed of a satellite orbiting Earth is given by v = (GM/d). ...

[imowrer]

The speed of a satellite orbiting Earth is given by v = (GM/d). Escape speed from Earth is given by v = (2GM/d), where in both cases G is the gravitational constant, M is Earth's mass, and d is distance from Earth's center.
 
  If a satellite's kinetic energy were doubled it could
  A) orbit at twice its distance from Earth.
  B) orbit at four times the distance from Earth.
  C) escape Earth.

Question 2

The chance that at least one of the atoms exhaled in your previous breath will be inhaled in your next breath is
 
  A) very low.
  B) very high.
  C) zero.

[Pariscourtney]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: B

[imowrer]

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[Pariscourtney]

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