With the level of childhood obesity reaching epidemic proportions in the United States, one inventor decided to create a device to make children exercise to generate the electrical energy required for them to watch television. Attaching a small electric generator to a stationary exercise bike, the “Cyclevision” (Fig. P19.104) is able to generate enough electrical energy to supply a typical television. Assuming the generator is 80% effi cient at converting the mechanical energy of the exercise bike to electrical energy, estimate the number of calories burned while watching 4 h of television (the average daily amount for a child in the United States).

 

Transcribed Image Text:

Figure P19.104