$\"\"$

The weight of the lunar module is $\"\"$ on the surface of the earth.

The radius of the moon is $\"\"$ . \ \

The force of gravity of the moon is to be one-sixth that of earth.

Hence, $\"\"$ . \ \

Find the workdone by the module from the surface of the mo0n to a height of $\"\"$ miles.

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

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

$\"\"$

$\"\"$ . \ \

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

$\"\"$

$\"\"$ .

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

$\"\"$

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