Asappp ! exercise 2: a 15-watt led needs 25 watts of power to produce the same amount of light as
the 100-watt incandescent bulb.
1. if the led light bulb is left on for 168 hours (a whole week), how many watt-hours of
energy does it consume?
2. how many kilowatt-hours of energy does it consume?
3. how much did it cost to leave the light bulb on?
4. how many pounds of carbon dioxide equivalents did leaving the light bulb on release?
Answers: 1
Geography, 22.06.2019 06:00
Can someone list any possible solutions to air pollution ?
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Geography, 22.06.2019 23:50
[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a.light in water b.light in vacuum c.sound in air. d. sound in water
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Geography, 23.06.2019 11:30
Which statement about portugal is not true? a. it granted independence to its last colony in 1975 b. it has avoided conflict with spain c. it was a leader in european world exploration in the 1400s d. its economy is changing from agricultural to industrial b. it has avoided conflict with spain
Answers: 1
Geography, 23.06.2019 13:30
The process by which liquid water changes into water vapour is called what ?
Answers: 2
Asappp ! exercise 2: a 15-watt led needs 25 watts of power to produce the same amount of light as<...
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