Question

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

14.04

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?

0 0
Add a comment Improve this question Transcribed image text
Answer #1

(a) Energy is given as, 2600 cal-2600 (4186J) 1.0883 6x10-J (b) Energy in Kilowatt-hours is as follows 2600 cal- 260o KWh 860

Add a comment
Know the answer?
Add Answer to:
14.04 A person consumes about 2600 Cal a day. 1 Cal = 4186 J, and 1...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • A person consumes about 2600 Cal a day. 1 Cal = 4186 J, and 1 kWh...

    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?

  • Problem 14.04 A person consumes about 2900 Cal a day. 1 Cal = 4186 J, and...

    Problem 14.04 A person consumes about 2900 Cal a day. 1 Cal = 4186 J, and 1 kWh = 860 Cal. Part A What is this energy in joules? Express your answer using two significant figures. Q = m J SubmitMy AnswersGive Up Part B What is this energy in kilowatt-hours? Express your answer using two significant figures. Q = m kWh SubmitMy AnswersGive Up Part C If a power company charges about 14 ¢ per kilowatt-hour, how much would...

  • A person consumes about 2300 Cal a day. 1 Cal = 4186 J, and 1 kWh...

    A person consumes about 2300 Cal a day. 1 Cal = 4186 J, and 1 kWh = 860 Cal. Part A What is this energy in joules? Express your answer using two significant figures. Q Q = nothing   J   SubmitRequest Answer Part B What is this energy in kilowatt-hours? Express your answer using two significant figures. Q Q = nothing   kWh   SubmitRequest Answer Part C If a power company charges about 10 ¢ per kilowatt-hour, how much would this energy...

  • A person consumes about 2900Cal a day. 1 Cal = 4186 J , and 1 kWh...

    A person consumes about 2900Cal a day. 1 Cal = 4186 J , and 1 kWh = 860 Cal . A) What is the energy in joules? Q=? J B) What is this energy in kilowatt-hours? Q=? kWh C) If a power company charges about 14

  • A person consumes about 2200Cala day.1 Cal = 4186 J, and 1 kWh = 860 Cal....

    A person consumes about 2200Cala day.1 Cal = 4186 J, and 1 kWh = 860 Cal. What is this energy in joules?. What is this energy in kilowatt-hours?

  • A person consumes about 2400Cala day.1 Cal = 4186 J, and 1 kWh = 860 Cal....

    A person consumes about 2400Cala day.1 Cal = 4186 J, and 1 kWh = 860 Cal. What is the energy in Joules?

  • 3.       An average active person consumes about 2500 Cal (1 Cal =1000 cal) per day. (a) What...

    3.       An average active person consumes about 2500 Cal (1 Cal =1000 cal) per day. (a) What is this in joules? (b) What is this in kilowatt-hours? (c) If your power company charges about 30 ¢ per kilowatt-hour, how much would your energy cost per day if you bought it from the power company?  Just for fun… Do you think you could you feed yourself (adequately) on this much money per day? show work!!

  • 1. Let’s say that an average person consumes about 2000 calories per day over their entire...

    1. Let’s say that an average person consumes about 2000 calories per day over their entire lifetime. A calorie (Cal) is a unit of energy and one Cal equals 4186 ? (Joules). For someone who lives to a ripe age of 100 years, how much energy, in J will they require? What is their average power output in ?/? = ????? (abbreviated ?)? b) Given the total energy a person requires that you calculated above, use Einstein’s equation to determine...

  • In one day, the average food intake for a person in the United States is about...

    In one day, the average food intake for a person in the United States is about 2500 kilocalories (1 cal = 4.2 J). Assuming half of this energy goes into work (the other half goes into heat radiated by the body), what is the average power output (in watts) of a person for 24 hours?

  • The average US citizen consumes 12000 kWh of electric energy per year an ‘ end use’...

    The average US citizen consumes 12000 kWh of electric energy per year an ‘ end use’ number and does not include the energy lost in converting other energy sources, e.g. fossil fuels to electricity. Note also that a kWh (kilowatt hour) is a unit of energy (not power) but a ‘kWh per year’ is a unit of power. The average electric bill indicates that a consumer pays about $0.12 per kWh of electric energy. Your Uncle Joe wants to get...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT