Homework Solution

TQ 1-8

Energy use depends upon:

1. the amount of energy required for a particular activity, and
2. the frequency at which the activity occurs.

Examples:

• Automobile use:
  • Amount of energy required:  miles per gallon
  • Frequency:  number of mile driven
     
• Home lighting
  • Amount of energy required:  energy/second required to power an average light bulb.
  • Frequency:  time the light bulb is on and the number of light bulbs on.