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Katena32 [7]
2 years ago
14

Explain how the thermal energy of a swimming pool compares to the thermal energy of a lake at the same temperature.

Physics
1 answer:
astra-53 [7]2 years ago
3 0
There is more thermal energy in the lake because there is more water which is more thermal energy
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water has an index of refraction of 1.33. What is the critical angle for light leaving a pool of water into air? 0 37 90 49
vesna_86 [32]
When light travels from a medium with higher refractive index into a medium with lower refractive index, there is a maximum angle (called critical angle) for which all the light is reflected, so there is no refraction.

The value of the critical angle is given by:
\theta = \arcsin ( \frac{n_2}{n_1} )
when n1 is the refractive index of the first medium, while n2 is the refractive index of the second medium. In our case, n1=1.33 (the water) and n1=1.00 (the air). Putting numbers in, we get
\theta = \arcsin ( \frac{1.00}{1.33} )=49^{\circ}
6 0
3 years ago
Two books that changed the science of astronomy and the world were_____by Nicholas Copernicus and_____by Isaac Newton.
babymother [125]
The best and most correct answer among the choices provided by the question is <span>a.The Three Laws of Planetary Motion, Principia Astronomica. </span>


Hope my answer would be a great help for you.    
If you have more questions feel free to ask here at Brainly.  
8 0
3 years ago
How do you know what state of matter the particles are in?
lianna [129]

Answer:  The amount of energy consisted in the molecules determines the state of matter.

Explanation:

7 0
2 years ago
Which of the following statements is/are true? Check all that apply. Check all that apply. The total mechanical energy of a syst
Taya2010 [7]

Answer:

1) True, 2) True, 3) False, 4) False, 5) False

Explanation:

1) True. Dissipative energy cannot be recovered, in general it is a form of heat

2) True. The dissipation can be by radiation, heat

3) False. Mechanical energy is divided into K and U but not in equal parts

4) False. When there are dissipative interactions, part of the mechanical energy is set in the form of heat, so its value decreases

5) False. Mechanical energy is the sum of those two energies

8 0
2 years ago
How are work and power related?
VashaNatasha [74]
<span>Answer: Work done is a measure of the energy transferred when a force moves a load, power is the rate of energy transfer.</span>
5 0
3 years ago
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