In Exercise 25 of section 6.6, we determined the work required to life a 6000 lb satellite to an orbital position to an orbital that is 1000 mi above the Earth’s surface. The ideas discussed in that exercise will be needed here.
(a) Find a definite
(b) Find a definite integral that represents the work required to lift a 6000 lb satellite an “infinite distance� above the Earth’s surface. Evaluate the integral. [Note: the result obtained here is sometimes called the work required to “escape� the Earth’s gravity.]
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