Chapter 9, Problem 5E

Interpretation Introduction

Interpretation:

The amount of energy consumed by the United States each year is to be determined.

Concept introduction:

Energy is the capacity to do work. The SI unit of energy is joule. According to the law of conservation of energy, energy can neither be created nor be destroyed, but it can be converted from one form to another.

A quad is a very large unit of energy which is used to represent the quantity of energy consumed by the world or nations.