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iris [78.8K]
3 years ago
7

Explain one inference scientists made about the interior of the Earth based on seismic waves. Use the words S & P waves in y

our answer. Use the word refract/bend in your answer
Physics
1 answer:
motikmotik3 years ago
3 0

Answer:

"An earthquake radiates P and S waves in all directions and the interaction of the P and S waves with Earth's surface and shallow structure produces surface waves. Near an earthquake the shaking is large and dominated by shear-waves and short-period surface waves."  please rephrase this in your own words.

Explanation:

Im not sure if this helps but credits to: eqseis.geosc.psu.edu › Notes › waves_and_interior

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What is the measurement 111.009 mm rounded off to four significant digits?
dedylja [7]
111.0 because 111.009 rounds off to 111.01, thus rounding again off to 111.0
4 0
3 years ago
A test charge is Introduced into the electric field of a charge. It feels a force of 2 F where the electric field is 4 E. What w
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4 0
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nsider a common mirage formed by superheated air immediately above a roadway. A truck driver whose eyes are 2.00 m above the roa
Anna11 [10]

Answer:

n_{air}  =1.0000355

Explanation:

from snells law we have following relation

n' Sin i = n_{air} Sin r


n_{air} is refractive index of air

n' -  refractive index of air below

i is angle of incidence = 90 - 1.30 = 88.70^o

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plugging all value in above formula

1.000293 \times sin 88.7 = n_{air} \times sin 90

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6 0
3 years ago
How much does a crate weigh (force) if it is 0.25 meters wide and 1.5 meters long and it
serg [7]

Force of a crate : 300 N

<h3>Further explanation</h3>

Given

0.25 meters wide and 1.5 meters long

Pressure = 800 Pa

Required

Force

Solution

P = F/A

A = 0.25 x 1.5

A = 0.375 m²

P = 800 Pa = 800 N/m²

Input the value :

F = P x A

F = 800 N/m² x 0.375 m²

F = 300 N

6 0
3 years ago
Current in conducter is​ due to
maw [93]

Answer:

Free electrons in a conductor

Explanation:

Current in a conductor is due to flow or motion of the free electrons in it.

The electric current is the flow of electrons in a conductor. The force that causes the current flow through a conductor is called the voltage.

Hope this helps you out! : )

4 0
3 years ago
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