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myrzilka [38]
3 years ago
7

Can you give me the definition of sound wave

Physics
2 answers:
Digiron [165]3 years ago
8 0
<span>a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.


hope this helps

</span>
katrin [286]3 years ago
3 0
A sound wave is a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.

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Calculate the mass of wood that has the same energy as 1 g of oil
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2.3 grams of wood has the same energy as 1g of oil.

The majority of wood and wood waste used as fuel in the United States is used by industry. Manufacturers of paper and wood products are the biggest industrial users. They produce steam and electricity from waste from paper and lumber mills, which saves money by lowering the number of other fuels and electricity they need to buy to run their facilities.

There are numerous power plants that primarily burn wood to produce electricity in the electric power sector, and some coal-burning power plants burn wood chips along with coal to cut down on sulfur dioxide emissions. The primary purpose of wood consumption in the business sector is heating.

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2 years ago
Can somebody please help me!
Serga [27]

Answer:

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C.

Newton’s Second Law is F=ma (force is equal to the mass multiplied by acceleration), however, the equation can be rearranged to isolate and calculate mass from force over acceleration. Therefore, m=F/a
8 0
3 years ago
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solong [7]

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What is the difference between a good conductor and a good insulator?
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Answer:

Explanation:

In a conductor, electric current can flow freely, in an insulator it cannot.

Metals such as copper typify conductors, while most non-metallic solids are said to be good insulators, having extremely high resistance to the flow of charge through them.

Most atoms hold on to their electrons tightly and are insulators.

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