Neglecting air resistance and the weight of the propellant, determine the work done in propelling a four-ton satellite to a

Neglecting air resistance and the weight of the propellant, determine the work done in propelling a four-ton satellite to a height of 400 miles above earth. Assume that Earth has a radius of 4000 miles.
A) ft-lb
B) ft-lb
C) ft-lb
D) ft-lb
E) ft-lb

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