(a) Use an improper integral and information from Exercise

Chapter 7, Problem 7.5.22

(choose chapter or problem)

(a) Use an improper integral and information from Exercise 21 to find the work needed to propel a 1000-kg satellite out of the Earths gravitational field. (b) Find the escape velocity that is needed to propel a rocket of mass out of the gravitational field of a planet with mass and radius . (Use the fact that the initial kinetic energy of supplies the needed work.)

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