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TEA [102]
3 years ago
8

The mass of a body:

Physics
2 answers:
IRINA_888 [86]3 years ago
7 0

Answer:

the mass of body increases when accelerated.

julia-pushkina [17]3 years ago
4 0
The answer that is the most reasonable is the option B
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An inventor develops a stationary cycling device by which an individual, while pedaling, can convert all of the energy expended
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Answer:

Q=94185\ J

Explanation:

Given:

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  • specific heat of water, c=4186\ J.kg^{-1}.K^{-1}

<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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