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svetlana [45]
3 years ago
9

How to comment on brainly.com and I'm only 8-years-old so keep it simple please

Engineering
1 answer:
Harman [31]3 years ago
5 0

You can comment by pressing “ask about this question” under the question

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Thermodynamics fill in the blanks The swimming pool at the local YMCA holds roughly 749511.5 L (749511.5 kg) of water and is kep
Talja [164]

Answer:

95.914\ \text{GJ}

\$272.78

Explanation:

m = Mass of water = 749511.5 kg

c = Specific heat of water = 4182 J/kg ⋅°C

\Delta T = Change in temperature = 80.6-50=30.6^{\circ}\text{F}

Cost of 1 GJ of energy = $2.844

Heat required is given by

Q=mc\Delta T\\\Rightarrow Q=749511.5\times 4182\times 30.6\\\Rightarrow Q=95.914\times 10^9\ \text{J}=95.914\ \text{GJ}

Amount of heat required to heat the water is 95.914\ \text{GJ}.

Cost of heating the water is

95.914\times 2.844=\$272.78

Cost of heating the water to the required temperature is \$272.78.

7 0
3 years ago
Turn the motor around in the circuit. What happens?
kenny6666 [7]

Answer:

It will create a massive drag and pretty much stop the motor.

Explanation:

7 0
3 years ago
14. An engine is brought into the shop with a
Lostsunrise [7]

Answer:

B. To accurately measure spark advance, use a timing light that incorporates an

ignition advance meter. The spark advance cannot be determined by listening to the way the engine sounds.

8 0
2 years ago
When it comes to making a good impression in a work setting, it does not apply to an initial contact, since both people are meet
Art [367]

Answer:

you have only seconds in which a person will accept or reject an employee or firm

Explanation:

First impression matters that's why when looking for employment with an organisation, lack of a tie for men may lead to automatic rejection. You have to be smart both intellectually and physically. Therefore, it means that you have only seconds in which a person will accept or reject an employee or firm.

4 0
3 years ago
Match the scenario to the term it represents.
Ann [662]

Answer:

i nrfvewv

Explanation:

3 0
3 years ago
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