A watt is equal to
a. 746 horsepower.
b. one calorie.
c. one joule.
d. 1 J/s.
e. a unit of energy.
Question 2
About how many 100-W light bulbs would you have to light up to use energy at the rate of one horsepower?
a. one or two
b. seven or eight
c. the question doesn't make sensehp and W are unrelated
d. dozens
e. none of the above