Let the orbital radius of a planet be R and let the orbital ...

[clmills979]

Let the orbital radius of a planet be R and let the orbital period of the planet be T. What quantity is constant for all planets orbiting the sun, assuming circular orbits?
 
  A) T3/R2 B) T/R2 C) T2/R D) T/R E) T2/R3

Question 2

You carry a 7.0 kg bag of groceries 1.2 m above the level floor at a constant velocity of 75 cm/s across a room that is 2.3 m room. How much work do you do on the bag in the process?
 
  A) 0.0 J
  B) 82 J
  C) 158 J
  D) 134 J

[juliaf]

Answer to Question 1

E

Answer to Question 2

A