Sanjay is making plans for his Saturday afternoon. He can choose a health-enhancing activity like lifting weights, or he can cho
ose a sedentary activity such as watching TV. Sanjay weighs 185 pounds. In 30 minutes, how many more calories can Sanjay burn lifting weights than watching TV? Assume that he does not lift vigorously.
The impulse or average force in classical mechanics is the variation in the linear momentum that a physical object experiences in a closed system. It is defined by the following equation:
