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emmainna [20.7K]
3 years ago
11

Sort the resources into the correct category: renewable or nonrenewable.

Physics
2 answers:
777dan777 [17]3 years ago
8 0

Answer:

Renewable:

Wind Power

Apple Trees

Hydroelectric Power

Nonrenewable:

Steel

Gemstones

Coal and Oil

alex41 [277]3 years ago
5 0

Answer:

forests

renewable resources

nonrenewable resources

water

iron

oll

wind

silver

Renewable resources- Water

Forests

Wind

Non-renewable resources-

Oil

Iron

Silver

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Imagine you use Nitrogen as your gas. If you have the cold side as cold as you can without liquefying it (78 K), and run the hot
alina1380 [7]

Answer:

The efficiency of a Stirling engine is 74%

Explanation:

Given:

Temperature of gas when it is cold T_{1} = 78 K

Temperature of gas when it is hot T_{2} = 300 K

The efficiency of a stirling engine,

  \eta =1 - \frac{T_{1} }{T_{2} }

  \eta = 1- \frac{78}{300}

  \eta = 1-0.26

  \eta = 0.74

∴ \eta = 74 \%

Therefore, the efficiency of a Stirling engine is 74%

5 0
3 years ago
Pravat exerts a force of 30 n to lift a bag of groceries 0.5 m. how much work did pravat do on the bag? note : work = force x di
ss7ja [257]
Answer in photo below

6 0
2 years ago
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Josie is running her first cross country meet. The race is a distance of 5 km and she has set a goal to finish the race in 21 mi
frutty [35]

Answer:

3.97 m/s

Explanation:

Speed is defined as the distance covered per unit time. Therefore, s=d÷t=d/t

Where d is distance and t is time

Given distance of 5 km and time of 21 minutes the speed would be given by dividing 5 km by 21 min. However, speed is expressed as km/h or m/s or miles per hour etc. So we nees to get our speed in one of these standard units.

Going for m/s

Conversion

1 km has 1000m hence

5 km=5*1000=5000m

1 min has 60 seconds hence

21 min=21*60=1260 s

Speed=5000m÷1260s=3.9682539682538 m/s

Rounded off, s=3.97 m/s

8 0
3 years ago
Determine la fuerza aplicada sobre un émbolo en una prensa hidráulica si se quiere cargar una lanza de 2970kg; toma en cuenta qu
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I’m not sure sorry I really wish I could help
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3 years ago
The diagram shows a wave. The quantity shown is the amplitude. This quantity is directly proportional to which of these other qu
Katen [24]

As we know that frequency and wavelength are dependent on each other

and this is given by

f = \frac{c}{\lambda}

here we know that

\lambda = wavelength

f = frequency

c = speed of wave

while for energy and intensity of wave we know that

Energy = KA^2

here A = amplitude of wave

so energy directly depends on amplitude of wave

so correct answer will be

<em>A) Energy</em>

3 0
4 years ago
Read 2 more answers
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