Joules to watts hour
Power, Work, and Force I
One horsepower for one hour represents how many joules? 44,760 2,685,600 33,390,960 746 3,413 none of the above 1 HP-hr = 746 J/s – 3600 sec = 2,685,000 Joules
Watts Hours to Joules Converter (Wh to J)
1. How much power is needed to do 648 Joules of work in 100 seconds? 2. If 478 watts of power are used in 14 seconds, how much work was done? 3. How long does it take to do 432 joules of work with 75 watts of power? 4. If it takes 726 watts of power to do work in 14 seconds, what is the work done? 5.
[DOC File]Energy Model Worksheet 3:
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How many Watts (Joules per second) do you think you can keep up for an hour? I think I can sustain _____ watts for an hour. 5) Cost of Energy. (please do the bike station before this one.) When PGE charges you for electricity, they charge in units called Kilowatt-hours. (abbreviated kWh) This is the energy you would use by pedaling at a rate of ...
[DOC File]Steve Boddeker's Energy and Society Ch 1 Homework
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Determine how many Joules equal one kilowatt-hour. b. A frost free, 17 cu. ft. refrigerator-freezer uses energy at a rate of 500 watts when you hear the compressor running. If the fridge runs for 200 hours per month, how many kilowatt-hours of energy does the refrigerator use each month? c. In the Phoenix area, electricity rates range from 8.0 ...
[DOC File]California State Polytechnic University, Pomona
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1×106 joules/sec. 9.8 joules. 1×105 Btu. 1×106 joules. 9.8×105 watts. 9.8×106 joules. In the United States, the average person eats about 3000 food Calories per day. What is the average power of this energy intake? 14.5 watts. 145 watts. 1450 watts. 14,500 watts. Bonus The Principle of …
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