Q1. The intensity of sunlight that reaches Jupiter (orbiting at about 5 AU) is approximately what fraction of that at Earths orbital distance?
Q2. A 3300 kg auto tows a 4500 kg horse trailer. If the engine causes the ground to push the car forward with 8.58kN:
a) what is the acceleration of the horse trailer?
b) What is the forward force on the trailer?
c) With how much force does the trailer pull back on the car?