) Astronaut Bob?s space capsule is in a circular orbit 700 km above
the surface of the Earth. He needs to get to a satellite 1400 km from
the surface of the Earth to repair it. The radius of the Earth is
6,400 km and the mass of the Earth is 6 x 10 24 kg. (You may assume
the satellite is stationary).
a)	Bob wants to use as little fuel as possible. Draw a picture showing
the location of the Earth, Bob and the satellite when Bob fires his
thruster rockets. Indicate the trajectory he will have afterwards.
b)	Firing his thruster rocket results in an acceleration of 10 g?s.
How long must he fire the rocket?
c)	How long will it take him to get to the satellite?