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balu736 [363]
3 years ago
15

The speed of the wooden bar is changed so that the bar hits the water fewer times each second.

Physics
1 answer:
Hitman42 [59]3 years ago
3 0

Answer:

c - the frequency of the waves decreases

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As the building collapses, the volume of air inside the building decreases, while the mass of the air stays the same. This means
Ymorist [56]

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Density

Explanation:

4 0
3 years ago
Is the refraction different entering medium that has a higher index of refraction compared to entering amedium that has a lower
oee [108]

Answer:

Yes

Explanation:

The speed of light when it travels through glass, diamond, etc, the light travels at different speed from the speed of light. Speed of the light in material is related to the index of refraction.

The change in speed which occurs when the light passes from one medium to the another is responsible for bending of the light which is called as refraction.

<u>When the light goes into a medium with the higher index of the refraction, light bends towards normal. Conversely, if the light traveling goes from higher refractive index to lower refractive index, it will bend away from the normal. </u>

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6 0
3 years ago
Define energy and provide examples of potential and kinetic energy
In-s [12.5K]

Energy is the capacity for doing work..

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Potential energy - flowing water up the hill

6 0
3 years ago
What does the Pauli exclusion principle state? . . A.Electrons will be added to an atom at the lowest possible level or sublevel
BARSIC [14]
The Pauli exclusion principle state that : D. Two electrons occupy the same orbital only if they have opposite spins

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hope this helps
5 0
3 years ago
A sound wave has a speed of 345 m/s and a wavelength of 4.15 meters. What is the frequency of this wave?
Debora [2.8K]

Answer:

83 hertz

OPTION A

Explanation:

wavelength =  \frac{speed}{frequency}

Given

wavelength=4.15m

speed=345 m/s

frequency =  \frac{speed}{wavelength} =  \frac{345}{4.15}

frequency = 83 \: hertz

I hope it helped you

5 0
2 years ago
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