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Q: What is the efficiency of her body when a cyclist expends 1000 W of power to deliver mechanical energy to the bicycle at the rate of 100 W?
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When a cyclist expends 1000 watts of power to deliver mechanical energy to her bicycle at a rate of 100 watts what is the efficiency of her body?

Divide the useful power by the total power spent. Then - if you want a percentage - multiply the result by 100.

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What are the limitations of bicycle?

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Mechanical ventilation is the use of mechanical device to inflate and deflate the lungs. It provides the force needed to deliver air to the lungs in a patient whose own ventilatory abilities are diminished or lost.

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How much do you get from a paperound?

It will depend on how many customers you have. In most cases you will get a few cents per paper. Some places provide mileage for those that deliver from a car rather than on foot or bicycle.

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You would contact the newspaper's Circulation Department and ask to speak to the head of circulation (a word that refers to getting the newspaper to the public). Many newspapers require that a home delivery person have a car, while others are fine about hiring a student who can deliver newspapers to his or her neighborhood on foot or on a bicycle.

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