$\"\"$

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The weight of the satellite is $\"\"$ tons.

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Consider the radius of the earth is $\"\"$ miles.

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(a)

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The satellite is $\"\"$ miles above the earth.

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The weight of the satellite is $\"\"$ .

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Substitute $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$ .

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The work done by the satellite is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Since $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$ .

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The workdone by the satellite is $\"\"$ .

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$\"\"$

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(b)

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The satellite is $\"\"$ miles above the earth.

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The work done by the satellite is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Since $\"\"$ and $\"\"$ .

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$\"\"$ .

\

$\"\"$ .

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The workdone by the satellite is $\"\"$ .

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$\"\"$

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(a) The workdone by the satellite is $\"\"$ .

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(b) The workdone by the satellite is $\"\"$ .