You decide to "go green" and use an exercise bike to power your home appliances. Assume that your exercise bike is rigged to generate electrical power with 60% efficiency. In other words, only 6/10 of the power you develop can be used to store electrical energy for later use. Consider your 3500-Watt central AC unit. You need to run this unit for 4 hours each day during the summer. If you can develop a sustained power of 300 Watts on your exercise bike, how long would you have to work out just to keep the AC running on a summer day?

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You decide to “go green" and use an exercise bike to power your
home appliances. Assume that your exercise bike is rigged to generate electrical
power with 60% efficiency. In other words, only 6/10 of the power you develop
can be used to store electrical energy for later use.
Consider your 3500-Watt central AC unit. You need to run this unit for 4 hours
each day during the summer. If you can develop a sustained power of 300 Watts
on your exercise bike, how long would you have to work out just to keep the AC
running on a summer day?
Transcribed Image Text:You decide to “go green" and use an exercise bike to power your home appliances. Assume that your exercise bike is rigged to generate electrical power with 60% efficiency. In other words, only 6/10 of the power you develop can be used to store electrical energy for later use. Consider your 3500-Watt central AC unit. You need to run this unit for 4 hours each day during the summer. If you can develop a sustained power of 300 Watts on your exercise bike, how long would you have to work out just to keep the AC running on a summer day?
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