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Sedbober [7]
3 years ago
14

1. Objects become electrically charged as a result of the transfer of

Physics
1 answer:
Bogdan [553]3 years ago
3 0

Answer:

Electron

Explanation:

An object can become electrically charged when it gains or loses an electron. Because an electron is negatively charged, when an object gains an electron it becomes negatively charged. Also, when it gives up an electron, it becomes positively charged. This positive charge is because the atom has one proton more than electron. In a neutral atom, the number of the proton is equal to the number of the electron. An electron is negatively charged, and a proton is positively charged.

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mr Goodwill [35]

Answer:

Q=94185\ J

Explanation:

Given:

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<u>Now the amount of heat energy required:</u>

Q=m.c.\Delta T

Q=0.3\times 4186\times (95-20)

Q=94185\ J

Since all of the mechanical energy is being converted into heat, therefore the same amount of mechanical energy is required.

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3 years ago
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3 years ago
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8 0
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