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wariber [46]
3 years ago
5

Have you ever thought about how an MP3 player works? What form of energy is used to power an MP3 player? What form of energy do

you use from an MP3 player? Can you think of any other forms of energy that may be used inside of an MP3 player?
Chemistry
1 answer:
Irina-Kira [14]3 years ago
4 0

Answer:

Sound energy is what we get from an MP3 player

It uses Electrical energy

Explanation:

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Answer:

True

Explanation:

the machine shown in figure 9.9 is called a wheele and axle. It's a form of lever. the effort arm can rotate in a complete circle, which is the center of the axle.

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3 years ago
What is a criterion for all products made using the process of technological design? The product must be cheaper than similar pr
Galina-37 [17]

Answer:

C. The product must solve the problem for which it was designed.

Explanation:

Technological design is the study, development and application of technological process with the intent of designing a product to solve required problem.The process could be based on the use of a computer.

Generally, technological process and development always tend to design a problem solver product. Through this process, more new technologies are produced.

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natima [27]

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CnH2n since the equivalent unsaturation is equal with 1

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