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
