The innermost satellite of Jupiter orbits the planet with a radius of 422 103 km and a period of 1.77 days. What is the mass of Jupiter? (G = 6.67 10-11 N m2/kg2 )
A) 1.33 1027 kg
B) 1.50 1027 kg
C) 1.72 1027 kg
D) 1.89 1027 kg
E) 3.08 1027 kg
Question 2
A starship is constructed to be 100 m long in the factory. It is launched and as it coasts by Earth, it is measured to be shortened to 5.48 m long.
(a) How fast, in terms of the speed of light, is it moving past Earth?
(b) What length does the ship's crew measure for the ship?