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Author Question: State Kepler's third law. What will be an ideal response? ... (Read 60 times)

kfurse

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on: Jul 27, 2018
State Kepler's third law.
 
  What will be an ideal response?

Question 2

A moon is in orbit around its mother planet. Which of the following statements is always true about its kinetic energy (K), and its gravitational potential energy (U)?
 
  A) K is negative, and U is negative.
  B) K is negative, and U is positive.
  C) K is positive, and U is negative.
  D) K is positive, and U is positive.


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srodz

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Reply #1 on: Jul 27, 2018
Answer to Question 1

The square of the orbital period of a planet is directly proportional to the cube of the average distance of the planet from the Sun.

Answer to Question 2

C


kfurse

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Reply 2 on: Jul 27, 2018
Gracias!

Animal_Goddess

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Reply 3 on: Yesterday
Excellent

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