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Anton [14]
3 years ago
15

A dog travels 18 meters south across the backyard in 11 seconds. What is the dog's speed?

Physics
1 answer:
o-na [289]3 years ago
4 0
The dog’s speed is
A) 0.61 m/s
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An unknown fluid flows at a speed of 31 m/s. Suppose the fluid has a mass of 47 kg runs at this speed. What is the fluid’s kinet
Leya [2.2K]

Answer:

22583.5J

Explanation:

KE=1/2 mv^2

=1/2*47Kg*(31m/s^2)

=23.5Kg * 961m/s^2

=22583.5J

7 0
2 years ago
What is 6.9 × 107 written in standard form?
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Answer: 6.9x 107 in standard form is 69,000,000

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2 years ago
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Are colavent bonds more likely to be found in compounds contaning both materals and nonmetals or compounds contaning only nonmet
atroni [7]

Answer:

bonds between 2 alike atoms or most non-metals get a covalent bond when reacting to the ... It tells what kinds of atomas are in a compound and how many.

Hope this helped

-Gavin

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A track star runs the first 500 meters of a race in only 75 seconds. What is the track
irina1246 [14]

Answer:

6.667 m/s

Explanation:

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7 0
2 years ago
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A power plant running at 39 % efficiency generates 330 MW of electric power. Part A At what rate (in MW) is heat energy exhauste
marusya05 [52]

516.154 megawatts of heat are <em>exhausted</em> to the river that cools the plant.

By definition of energy efficiency, we derive an expression for the energy rate exhausted to the river (Q_{out}), in megawatts:

Q_{out} = Q_{in} - W

Q_{out} = \left(\frac{1}{\eta}-1 \right)\cdot W(1)

Where:

  • \eta - Efficiency.
  • W - Electric power, in megawatts.

If we know that \eta = 0.39 and W = 330\,MW, then the energy rate exhausted to the river is:

Q_{out} = \left(\frac{1}{0.39}-1 \right)\cdot (330\,MW)

Q_{out} = 516.154\,MW

516.154 megawatts of heat are <em>exhausted</em> to the river that cools the plant.

We kindly to check this question on first law of thermodynamics: brainly.com/question/3808473

7 0
3 years ago
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