1. The problem statement, all variables and given/known data 9. What is the total energy needed to place a 2.0 x 10^3-kg satellite into circular Earth orbit at an altitude of 5.0 x10^2 km? 10. How much additional energy would have to be supplied to the satellite in question 9 once it was in orbit, to allow it to escape from Earth’s gravitational field? 3. The attempt at a solution 9. I was trying to use the equation Wpl = (- GMem/Ro) - (-GMem/Re) Wpl = ( - (6.67 x10^-11 Nm^2/s^2)(5.98 x10^24)(2 x 10^3 kg)/(5 x10^5m)+(6.38 x10^6m)) - (- (6.67 x10^-11 Nm^2/s^2)(5.98 x10^24)(2 x 10^3 kg)/6.38 x10^6m)) Wpl = - 11.59494186 x 10^10 + 12.50363636 x10^10 Wpl = 0.908717 x 10^10 J IS THIS CORRECT? and what can i do for Question 10 ?