A person consumes about 2600 Cal a day. 1 Cal = 4186 J, and 1 kWh...

Question

Question

A person consumes about 2600 Cal a day. 1 Cal = 4186 J, and 1 kWh = 860 Cal.

A)What is this energy in joules?

B)What is this energy in kilowatt-hours?

C)If a power company charges about 13 ¢ per kilowatt-hour, how much would this energy cost per day if the person bought it from the power company?

Answer 1

Answer #1

A person consumes about 2600 Cal a day. 1 Cal-4186 J, and 1 kWh -860 Cal. A)What is this energy in joules? B)What is this en

Answer 2

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