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Energy Efficiency
Page 2
Questions (193)
I am doing a presentation on the efficiency of appliances. I am going to be comparing the past and the present and then France
3 answers
asked by
rebekah
457 views
I am doing a presentation on the efficiency of appliances. I am going to be comparing the past and the present and then France
1 answer
asked by
rebekah
356 views
In which situation did the car achieve the greatest efficiency? (Assume the cars all have the same mass.)(1 point)
Responses a
3 answers
asked by
Answer
116 views
You can insulate your home for $7,200. You figure you can save 15% per year on your heating bill if you insulate. Your home was
2 answers
asked by
Sniper619
765 views
Incandescent light bulbs are less efficient because they allow a greater percentage of energy output to be released as heat to
3 answers
asked by
RXB_I
46 views
A: What do you think of a solar house.
1. I think the solar house makes money for us. 2. I think we can save energy thanks to the
2 answers
asked by
rfvv
560 views
Julia and Wayne heat their house during the winter with an electric heater. The thermostat on the heater is set to 20 °C and
2 answers
asked by
Raven
586 views
Evaluating Geothermal Energy Efficiency
- Analyze the efficiency of geothermal power plants in generating electricity - Discuss
3 answers
asked anonymously
58 views
Choose the answer that best matches the word in italics. One way to save money on electricity is to replace incandescent bulbs
4 answers
asked by
kitty face
47 views
Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of
2 answers
asked by
John
546 views
Thesis: Schools need to “go green” for the benefits of saving the environment and money. Students and administrators have an
10 answers
asked by
Happy Face
597 views
The human body is 20-25 percent efficient. In what form is energy lost?
2 answers
asked by
Shannon
1,009 views
Which is the most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources?(1 point)
Res
3 answers
asked anonymously
37 views
Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of
3 answers
asked by
Nick
547 views
could future light sources offer more saving?
1 answer
asked by
ashley
246 views
does extra dim save battery
7 answers
asked anonymously
33 views
Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of
2 answers
asked by
jean
616 views
Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of
1 answer
asked by
jean
519 views
Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of
2 answers
asked by
jean
491 views
I cannot think of a creative essay topic related to the subject of "energy efficiency in my home." Please help!
You could write
1 answer
asked by
christina
498 views
In using comparisons, please correct this sentence.
People who live in insulated homes pay less for their heating than homes that
1 answer
asked by
Margaret
462 views
Air conditioners sold in the United States are given a seasonal energy-efficiency ratio (SEER) rating that consumers can use to
3 answers
asked by
Morgyn
1,766 views
Which statement describes a design factor that should be included in an energy-efficient home built in cold climates?(1 point)
Re
1 answer
asked by
Answer
45 views
I'm supposed to figure out how much feul is wasted by a that car runs at 25% efficiency that each year uses 119,700 gallons of
3 answers
asked by
Tabetha
1,171 views
Car travels 200 miles using 8 gallons of gas. How many miles per gallon can the car travel
2 answers
asked by
Ruth
1,096 views
You are thinking of making your mansion more energy efficient by replacing some of the light bulbs with compact fluorescent
2 answers
asked by
LIZ
1,093 views
Your bedroom gets direct sunlight through a window during the hottest times of the day. You ask your mom to turn down the
5 answers
asked by
?
1,057 views
Concidering the amount of energy required to produce animal-based foods and goods, should humans change their habits so they
2 answers
asked by
Lori
1,020 views
When boiling water, a hot plate takes an average of 9 minutes and 47 seconds to boil 100 milliliters of water. Assume the
1 answer
asked by
Bobby
1,013 views
State benefits of using improved cookstove
1 answer
asked anonymously
30 views
Suppose a person metabolizes 2250 kcal/day.
a) With a core body temperature of 36.9°C and an ambient temperature of 21.5°C,
1 answer
asked by
helena
752 views
The complete combustion of 1.00 ml of octane increases the temperature by 22.7 degrees celsius. The density of octane is
9 answers
asked by
Zack
726 views
how can fisherman save gas
3 answers
asked by
matt
687 views
I only need help with part B.
A 250W computer power supply is on 10 h per day. Part A If the cost of electricity is $0.15/kWh,
2 answers
asked by
jen
649 views
do sensors off save battery
1 answer
asked anonymously
35 views
Hydrogen gas is a very environmentally friendly fuel source. One factor that is important in determining whether it is used as a
2 answers
asked by
Nawal
606 views
The average efficiency of energy capture/ transfer reaction in an organism is about 40%. Is this efficient? Why or why not? Use
4 answers
asked by
Kassi
588 views
How does buying a car that gets good gas mileage might reduce the amount of carbon dioxide that is added to the atmosphere?
4 answers
asked by
Mikka
554 views
CFL light bulbs consume less power than their incandescent counterparts while providing about the same amount of light. Suppose
2 answers
asked by
cr
566 views
Which of these changes will increase the energy loss of a building?(1 point) Responses an increase in temperature difference
4 answers
asked anonymously
14 views
What initial mass of 235U is required to operate a 650-MW reactor for 1 year? Assume 40% efficiency.
2 answers
asked by
Anonymous
506 views
What is the efficiency of an athlete who consumes 3000kcal of food and does 2.5 x 10*6 J of useful work?
5 answers
asked by
Anonymous
500 views
For Uncle Joe's dairy farm with 200 cows the cost of a methan digester is about 400 dollars. ASsume that the farm uses 800,000
4 answers
asked by
Anonymous
517 views
Raising Maine magazine's August 5,2009, Home GREEN Home" article about going green discusses ways to improve a home's energy
2 answers
asked by
Anonymous
502 views
do extra dim save battery
1 answer
asked anonymously
19 views
An energy saver heater uses 24% less energy than the older heater model. The older heater uses $350 worth of energy per year. A
2 answers
asked by
Jenny
516 views
In cold climates, including the northern United States, a house can be built with very large windows facing south to take
1 answer
asked by
Laketa
487 views
You’re having your home’s heating system replaced, and the heating contractor has specified a new system that supplies
2 answers
asked by
Physics
488 views
a boy on a swing is pulled to a position 2.34m off the ground and released.at the fastest and lowest pointof the swing the boy
1 answer
asked by
arya
498 views
While solar energy powered home systems are quite expensive to install, adding some passive energy features to conventional
1 answer
asked by
Karola
467 views
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