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Rus_ich [418]
3 years ago
13

This is a device that will convert mechanical, into electrical energy.

Physics
2 answers:
Ulleksa [173]3 years ago
8 0

Answer:generator

Explanation:trust me

yulyashka [42]3 years ago
5 0

Answer:

motor

Explanation:

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the cross section area of a hole is 725cm^2. Given that the area of a circle is A=3.14r^2 , find the radius of the hole.
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The\ area\ of\ a\ circle\ =  \pi r^2 \\ 725\ cm^2 =  3.14r^2 \\
230.57 cm^2 = r^2 \\ \sqrt{230.57\ cm^2} = r \\ \boxed{r = 15.18\  cm}
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