The resistance of an exercise bike is often provided by a generator; tha is, the

Question

The resistance of an exercise bike is often provided by a generator; tha is, the energy that you expend is used to generate electrical energy, which is the dissipated. rather than dissipate the energy, it could be used for a practical purpose.
A. A typical person can maintain a steady energy expenditure of 400 W on a bicycle. Assuming a typical efficency for the body and a generator that is 80% efficent, what useful electrical power could you produce with a bicycle-powered generator?
B. How many people would need to ride bicycle generators simultaneously to power a 400 W TV in the gym?
Metabolic power (W) of 68 kg individual cycling at 15 km/ h= 480 W

Explanation / Answer

heres a start: Of the 400 W that the person produced on the bicycle, only 95% is useful , .95 * 400 = 380 Watts. please rate if you find this helpful

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