State Kepler's third law. What will be an ideal response? ...

[kfurse]

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.

[srodz]

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]

TYSM

[bassamabas]

Thanks for the timely response, appreciate it