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Gnom [1K]
3 years ago
6

Which of the following involves reflected light waves

Physics
1 answer:
tangare [24]3 years ago
5 0
A full moon i think
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It is known that heat is added to a gas in sealed container. The container is fitted with a moveable piston.
jasenka [17]

Answer:

d. Not enough information is given to answer this question.

Explanation:

From first law of thermodynamics

Q= W + ΔU

Q=Heat  ,W= Work , ΔU=Change in internal energy

If work done by the gas :

It means that W and Q both are positive

Q- W = ΔU

Ii Q > W ,then temperature of the gas will increase.

If  Q< W  ,Then temperature of the gas will decreases.

If work done on the gas:

Q positive but W will be negative

Q- W = ΔU

Q= W or Q>W  or Q< W ,then temperature of the gas will increase.

There are three cases because they did not give any information about the work.That is why option d is correct.

3 0
3 years ago
The momentum of an object is proportional to its weight and speed.<br> a. true<br> b. false
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It would be A.. True
4 0
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Which of the following statements is true? A. Both warming up and cooling down or important. B. It is more important warm up the
Alenkasestr [34]

Answer:

Both warming up and cooling down or not important

8 0
2 years ago
What is the equation for density (feel free to use go*ogle search, my parents blocked it on my computer so I can't look it up my
12345 [234]

Answer: The answer is right here and it is corrct

:)\rho ={\frac {m}{V}}

Explanation: I think you can unblocked it but Hope this help :)

6 0
3 years ago
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What type of energy is released when a proton is nocked out of an atoms nucleus?
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