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sp2606 [1]
3 years ago
14

Any clue on this one I know it’s not D

Physics
2 answers:
Amiraneli [1.4K]3 years ago
6 0

Answer: C liquids because sound travels fast underwater

Explanation:

The vacuum would make it hard to hear her up close yet alone far away

Density makes it harder to hear

Ex. If you have a ice cube campared it a cup of water and you blow on it the water will have move movement because there is more available space for movement as compared to a ice cube

And the last one is also incorrect

inessss [21]3 years ago
5 0
I think it is D because gas particles move the fastest but if not then it is A
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Brut [27]
Hey there!

When light changes speed, it REFRACTS.
Your answer is going to be option C.

Hope this helps you.
Have a great day!
5 0
3 years ago
If a cross country runner covers a distance of 347 meters in 134 seconds what is her average speed?
a_sh-v [17]
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2.589552239×60= 155.3731343 meters per hour

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6 0
3 years ago
6. Two light bulbs are designed for use at 120 V and are rated at 75 W and 150 W. Which light bulb has the greater filament resi
Nonamiya [84]

\\ \bull\tt\longrightarrow P=\dfrac{V^2}{R}

  • P is power
  • R is resistance

\\ \bull\tt\longrightarrow R=\dfrac{V^2}{P}

Hence

\\ \bull\tt\longrightarrow R\propto V

\\ \bull\tt\longrightarrow R\propto \dfrac{1}{P}

  • Therefore if power is low then resistance will be high.

The first bulb has less power hence it has greater filament resistance.

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jeka94
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Andreyy89

Answer:

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