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katovenus [111]
2 years ago
5

In solar thermal electric generation, the sun’s energy is concentrated by ___ to heat the fluid in a pipe that is used to genera

te electricity.
Physics
1 answer:
pishuonlain [190]2 years ago
7 0

Answer:

<u>Mirrors</u>

Explanation:

In Solar thermal power generation system, mirrors are used to collect and focus sunlight  onto a fluid pipe to produce high temperature required to generate electricity.

There are two main components: mirrors capture and focus light onto a receiver. The heat transfer fluid is circulated in the receiver. Steam is produced which is converted to mechanical energy in a turbine. It powers a generator and electricity is produced.

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A hydraulic lift has two connected pistons with cross-sectional areas 15 cm2 and 670 cm2. It is filled with oil of density 510 k
BigorU [14]

Answer:

Explanation:

Given

Cross-sectional area of two areas is

A_1=15\ cm^2

A_2=670\ cm^2

It is filled with oil of density \rho _0=510\ kg/m^3

mass of car place on Large area M=1100\ kg

Suppose a mass of m kg is placed on smaller area

According to pascal law's intensity of pressure is same at every point on Liquid

P_1=P_2

\frac{F_1}{A_1}=\frac{F_2}{A_2}

\frac{mg}{15}=\frac{Mg}{670}

m=1100\times \frac{15}{670}

m=24.62\ kg                            

4 0
3 years ago
A car tire rotates with an average angular speed of 29 rad/s. In what time interval will the tire rotate 3.5 times? ​
meriva

Answer:

"0.758315 sec" is the appropriate choice.

Explanation:

The given values are:

Angular speed,

= 29 rad/s

or,

= \frac{29}{2 \pi} \ rps

Tire rotates,

= 3.5 times

Now,

The time interval will be:

⇒  \Delta t=\frac{3.5}{\frac{29}{2 \pi} }

⇒       =\frac{2 \pi\times 3.5}{29}

⇒       =\frac{21.99}{29}

⇒       =0.758315 \ sec

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3 years ago
Calculate the average speed of a snake that moves 700 meters in 5 hours?
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140 ? i’m guessing there doesn’t look like there’s much to the question
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People who are number smart tend to?
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I think the answer is C
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3 years ago
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