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3 years ago

10

Bilang mamaya ,tumukoy ng Tig iisang halimbawa na sitwasyon na nag papakita ka ng mga elemento ng kabutihang panlahat ,maaring g

awing basehan Ang mga mangyari sa iyong paligid.
Paggalang
Kapayapaan
Katarungan

1 answer:

Paul [167]3 years ago

7 0

Answer:

hahahahhahahahahahahahhaahha

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A system does 506 kj of work, and loses 266 kj of heat to the surroundings. what is the change in internal energy of the system?

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Given :

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tino4ka555 [31]

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Explanation:

The energy expended in hoisting the diver up is given by

$E = mgh$

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Using the values in the question and taking <em>g</em> as 9.8 m/s²,

$E = (80\text{ kg})\times (9.8\text{ m/s}^2)\times (23.9\text{ m}) = 18737.6\text{ J}$

The power is given by

$P = \dfrac{E}{t}$

<em>t</em> is the time.

Hence,

$P = \dfrac{18737.6\text{ J}}{23\text{ s}} = 841.678\ldots \text{ W}\approx 840\text{ W}$

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