Physics, 25.08.2019 07:30 jokerr6323
What causes the electric charges to flow from one end of the battery to the other? a balance in electric potential a balance in resistance a difference in electric potential a difference in resistance
Answers: 2
Physics, 23.06.2019 21:40
Chemical energy sources are often portable and provide large amounts of energy. fossil fuels are one kind of chemical energy source. most of the energy we use in the united states is generated by the combustion of fossil fuels. however, fossil fuel combustion adds greenhouse gases to the atmosphere, mostly co2. one measure of the total amount of greenhouse gases that are emitted into the atmosphere each year is called a carbon footprint. read this article to compare the carbon footprint of an average person in the united states to an average person around the world. knowing that greenhouse gases are contributing to climate change, how can we reduce our carbon footprint, particularly in the united states? could hydrogen fuel replace fossil fuels in the future? why or why not? should the size of a person’s carbon footprint be limited by law? why or why not?
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Physics, 23.06.2019 22:50
10 pts. if an electromagnetic wave has a frequency of 8 ⋅ 10^14 h z , what is its wavelength? use λ=v/f. the speed of light is 3 ⋅ 10^8 m/s.
Answers: 1
Physics, 24.06.2019 00:30
Suppose that lisa walks her dog around the block for a little exercise. the block is 1 mile around. if she walks around the block once, what is her displacement? what is her distance?
Answers: 1
What causes the electric charges to flow from one end of the battery to the other? a balance in ele...
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