Step 1: \ \
\Georgie was pulling her brother with a constnat force is .
The sled moves distance is . \ \
The component of force that is in the direction of the sleds movement is . \ \
The work done is . \ \
Substitute and
. \ \
. \ \
The work done by Georgie is .
Step 2: \ \
\The power of the light bulb is .
From Part 1: The work done by Georgie is .
The power is . \ \
The time .
Substitute and
.
.