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lina2011 [118]
4 years ago
15

Seismic attenuation and how spherical spreading affect amplitude, can anyone explain this please!

Physics
1 answer:
nexus9112 [7]4 years ago
3 0

Answer:

Hey there!

This can be a confusing topic, so it's totally fine if you get confused...

First, Seismic Attenuation is how seismic waves lose energy as they expand and spread.

Secondly, when distance increases, amplitude decreases. This is because the distance (spherical spreading would mean radius) is inversely proportional to amplitude.

Let me know if this helps :)

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What is the difference between V(peak voltage) and Vrms (root-mean-square) of AC voltage source?
Cerrena [4.2K]

Answer:

V(peak voltage) is the highest voltage that the waveform will ever attain and the Vrms(root-mean-square) is the effective voltage of the total waveform representing the AC source.

8 0
4 years ago
The intensity of sunlight incident on the surface of a solar panel on your roof is 1000 W/m^2. Calculate the sunlight energy abs
melisa1 [442]

Answer:

8.64 x 10^7 J

Explanation:

Intensity of sunlight, I = 1000 W/m^2

Length of panel, L = 6 m

Width of panel, W = 4 m

Area of the panel, A = L x W = 6 x 4 = 24 m^2

time, t = 1 hour = 3600 second

Energy = Intensity x area of panel x time

E = 1000 x 24 x 3600 = 8.64 x 10^7 J

5 0
4 years ago
Which statement BEST explains the relationship between mass and weight.A.mass increases, weight is decreases.B.mass increases, w
Dmitry_Shevchenko [17]

B

Weight is caused by the influence of gravity on matter/mass. Weight is given by the formulae;

Weight = Mass * Gravitational acceleration

On earth, the gravitation acceleration is a constant 10m/s2

Therefore the weight will be influenced by mass of the object in a direct relationship.

An increase in mass will cause a proportionate increase in weight.  

Explanation:

Gravity is not constant across the universe with larger celestial bodies have a greater gravitational pull. Therefore an object with the same mass on earth may weigh differently on another celestial body with different gravitational acceleration. An example is the Moon. Due to the fact that the Moon has approximately ¹/3 of earth’s gravitational force, astronauts weight ¹/3 times less on the moon than on earth.

Learn More:

For more on weight and mass check out;

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6 0
4 years ago
N2 + 3H2 mc033-1.jpg 2NH3
Svetradugi [14.3K]

N2+3H2->2NH3

When 3 moles of H2 react, they produce 2 moles of NH3

3 moles of H2 have a mass of 2.02 g

2 moles of NH2 have a mass of 17.0 g

So when 2.02 g H2 react, they produce 17.0 g NH3

If 26.3g H2 react with a yield of 100%, we expect…

2.02g H2_____17.0gNH3

26.3g H2_____x=221gNH3

So now let’s calculate the percentage:

221gNH3­­­­­­­­_________100%

79.0gNH3_________x=79.0*100/221=35.7%

3 0
4 years ago
A steam engine has been measured to produce 8.6x107 J of work. How long does it take this engine to produce 19,000 W of power?
Sedbober [7]

Answer:

bueno lo siguiente es que yo no sé inglés

6 0
3 years ago
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