\ \
The weight of the satellite is tons.
Consider the radius of the earth is miles. \ \
The satellite is miles above the earth.
The weight of the satellite is .
Substitute and
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.
Substitute in
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The work done by the satellite is .
.
Find the value of work done by the satellite when the height as approaches to infinity.
Work done by the satellite is .
If then
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.
The work done by the satellite .
The work done by the satellite .