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Sliva [168]
3 years ago
10

How the properties of sound waves change as they spread out in a spherical pattern

Physics
1 answer:
Vlad1618 [11]3 years ago
6 0
It is when the air hit the wave and it moves to another direction.
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Please Help! (15 POINTS)
murzikaleks [220]

Answer:

160 Nm

Explanation:

5 0
3 years ago
- A thin film of oil * (n = 1.45) on a puddle of water, producing different colors. What is the minimum thickness of a place whe
Darya [45]

Answer:

There will be a phase change at the first interface and no phase change at the second interface:

If the film is 1/4 wavelength thick this restriction will hold

The wavelength of the light in oil is 545 nm / 1.45 = 376 nm

376 nm / 4 = 94 nm

"D" is correct

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3 years ago
Compared to a blue star in the same local cluster, the surface temperature of a red star is a) greater. b) the same. c) lower. d
Andrew [12]

Hello! My name is Zalgo and I am here to help you out on this concluding day. The answer would be C);lower. The reason it would be lower is because the hottest color of flames would be blue. Considering the way a start emits light is fire, this would be the most logical reason for it.

I hope that this helps! :P

"Stay Brainly and stay proud!" - Zalgo

(By the way, do you mind marking me as Brainliest? I'd greatly appreciate it! Thanks! X3)

3 0
3 years ago
Explain how you can determine the direction of a magnetic field produced by a wire if you know the diection of the current throu
ololo11 [35]

Explanation:

Right hand thumb rule : Point the thumb of your right hand in the direction of the current flow, the direction of curvature of the fingers will give us the direction of the magnetic field produced by current carrying wire. This rule was given by Maxwell.

1) If the current is moving in upward direction , the direction of the magnetic field will be in anti clock wise direction.

2) If the current is moving in downward direction , the direction of the magnetic field will be in clock wise direction.

5 0
3 years ago
Read 2 more answers
1. What are the 2 main categories of nonmetals?
Anettt [7]

the 2 main categories of nonmetals are REACTIVE NONMETALS an NOBLE GAS.

hope it helps

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