PHYSICS HIGH SCHOOL

23°C = ______ K
23
296
-250
123

Answers

Answer 1
Answer: TºC + 273 :

23 + 273 =  296 K

Answer B

hope this helps!
Answer 2
Answer:

Answer:

the answer is 4 years

Explanation:

4 years passed do u still need this

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Heisenberg's Uncertainty Principle states that we cannot simultaneously measure both the position and momentum of an object better than a certain accuracy. This limitation is not a consequence of imperfect technology, but is a fundamental law. It applies to all objects -- photons, electrons, baseballs, etc.. A highly monochromatic, continuous beam of laser light of wavelength 470 nm passes through an electro-optic shutter. The shutter opens and closes in a time interval of Δt = 90 ps . After passing through the shutter to what uncertainty, Δx, have the photons been localized?

Answers

For this specific problem, the photons have been localized toDx = 0.027muncertainty. I am hoping that this answer has satisfied yourquery about and it will be able to help you, and if you’d like, feel free toask another question.

A cat jumps 1m forward, then crawls 0.2m backwards. What is the displacement of the cat?

Answers

I think its 0.8m because 1+(-0.2)=0.8
Displacement refers to how far out of place an object is. So if the cat jumps a meter forward, than crawls back .2 meters, the cat is .8 meters out of place

A precipitation reaction is a reaction between two aqueous __________ that results in the formation of a solid compound.

Answers

It is between 2 aqueous solutions that results in a formation of a solid compound

Answer:

A precipitation reaction is a reaction between two aqueous Solutions that results in the formation of a solid compound.

Explanation:

Which statement is correct? a) 1 in. = 2.54 cm b) 7 in. = 17.68 cm c) 1 ft = 12 in. d) 74 in. = 1 yd

Answers

Answer:

a) 1 in. = 2.54 cm

Explanation:

Final answer:

The correct statement is a) 1 in. = 2.54 cm. To convert inches to centimeters, multiply the number of inches by the conversion factor 2.54 cm/1 in.

Explanation:

The correct statement is a) 1 in. = 2.54 cm.

To convert inches to centimeters, you can multiply the number of inches by the conversion factor 2.54 cm/1 in. For example, if you want to convert 7 inches to centimeters, you would multiply 7 in. by 2.54 cm/1 in. This gives you 17.78 cm, which is approximately equal to 17.68 cm (as stated in option b).

Option c) 1 ft = 12 in. and option d) 74 in. = 1 yd are also correct statements, but they are not directly related to the conversion between inches and centimeters.

Learn more about Conversion between inches and centimeters here:

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What 2 characteristics of stars are shown in an H-R diagram?

Answers

2 characteristics of stars are shown in an H-R diagram is Size and Color. 

Which of the following states that absolute zero cannot be reached?A. the second law of thermodynamics
B. the first law of thermodynamics
C. the second and third laws of thermodynamics
D. the third law of thermodynamics

Answers

The second and third laws of thermodynamics states that absolute zero cannot be reached. The correct option among all the options that are given in the question is the third option or option "C". Both the laws actually deal with the relations that exist between heat and other forms of energy. I hope the answer helps you.

Answer:

D. the third law of thermodynamics

Explanation:

As per third law of thermodynamics we know that entropy of a perfect crystal comes to zero when the temperature of the crystal reaches to absolute zero.

So as per the theory of entropy we know that entropy of a system cannot be zero as it will reach zero then system will not exist.

So here we can say that

As per third law it is not possible to achieve zero kelvin or absolute zero temperature because at that temperature the entropy will become zero and then the system will not exist in that case.

So here we can say the correct answer will be

D. the third law of thermodynamics
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