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kumpel [21]
3 years ago
5

How coal power plants produce electrical energy to power our homes

Physics
1 answer:
balandron [24]3 years ago
3 0
Coal plants use a boiler to produce steam.
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A child on a swing sweeps out a distance of 45 ft on the first pass. If she is allowed to continue swinging until she​ stops, an
earnstyle [38]

Answer:

d = 90 ft

Explanation:

Here in each swing the distance sweeps by the swing is half of the initial distance that it will move

So here we can say that total distance in whole motion is  given as

d = 45 + \frac{45}{2} + \frac{45}{4} + \frac{45}{8}..........

since it is half of the distance that it will move in each swing so it would be a geometric progression with common ratio of 1/2

so sum of such GP is given by the formula

S = \frac{a}{1 - r}

d = \frac{45}{1 - \frac{1}{2}}

d = 90 ft

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Draw graph for positive acceleration, negative acceleration and zeo acceleration​
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Explanation:

horizontal is zero slope, and the vertical is undefined

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Steam is leaving a 4-L pressure cooker whose operating pressure is 150 kPa. It is observed that the amount of liquid in the cook
jeka57 [31]

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