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kirill115 [55]
3 years ago
11

What type of device forms images by changing the speed at which light

Physics
2 answers:
snow_tiger [21]3 years ago
8 0

Answer:

It's Lens

Explanation: I did the assignment

Nady [450]3 years ago
3 0

Answer:

Any Lens

Explanation:

I Hope it's right if not so Sorry :)

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A nuclear power plant operates at 79 percent of its maximum theoretical (Carnot) efficiency between temperatures of 700° and 330
ololo11 [35]

Answer:

Explanation:

T₁ = 700 + 273 = 973 k

T₂ = 330 + 273 = 603 k

Theoretical efficiency = T₁ - T₂ / T₁

= (973 - 603) / 973

= .38 OR 38%

Operating efficiency = .79 x 38

= 30.02 %

Heat input Q₁ , Heat output to sink Q₂ , conversion into power = Q₁ - Q₂

given Q₁ - Q₂ = 1.3 x 10⁹ W

efficiency = Q₁ - Q₂  /  Q₁

Q₁ - Q₂  /  Q₁ = 30.02 / 100

100Q₁ - 100Q₂ = 30.02Q₁

69.98 Q₁  = 100Q₂

Q₁  = 1.429 Q₂

Putting this in the relation

Q₁ - Q₂ = 1.3 x 10⁹ W

1.429Q₂ - Q₂ = 1.3 x 10⁹ W

.429Q₂ = 1.3 x 10⁹

Q₂  = 3.03 x 10⁹W

= 3.03 GW.

6 0
3 years ago
An object with a mass of 10 kg is
shusha [124]

Answer:

See below

Explanation:

They will fall at the same speed .....they will stay together if we ignore air friction

8 0
2 years ago
4. Why is this a double replacement reaction?<br> HCl+Fes- FeCl+H2S
My name is Ann [436]

Answer:

the H from the HCl switched places with the Fe from the FeS.

6 0
3 years ago
Explain how high energy electrons are used in electron transport
lesya [120]
High energy electrons & hydrogen ions from NADH & FADH2 produced in the Krebs cycle used to convert ADP to ATP
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Which factor does not affect the resistance of a material?
34kurt

the best answer is b

5 0
3 years ago
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