Dave has a board that is 29 inches long.
2 answers:
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Answer:
Richter scale is a good way to talk about how strong an earthquake is. It is also easy to compare two earthquakes using the Richter scale.
Generally, earthquakes are estimated to be under
10
on the Richter scale.
Below is the formula for comparing two earthquakes.
M2-M1=log(I2-I1)
You can check out how this formula is derived.
Compute the magnitude of an earthquake
Given the intensity of two earthquakes and the magnitude of one of them, we can find the magnitude of the other earthquake. For example:
Earthquake
A
is
15
times stronger than earthquake
B
. Earthquake
B
is estimated to be
2.3
on the Richter scale. What is Earthquake
A
on the Richter scale?
M_A-M_B=log(I_A/I_B)
M_A-2.3=log(15)
M_A=log(15)+3.5
M_A=3.5
How much stronger is this earthquake comparing to that?
When given the magnitudes of
2
earthquakes, we can figure out how much stronger one earthquake is comparing to the other one. For example:
On the Richter scale, earthquake
A
is estimated to be
3
and earthquake
B
is estimated to be
1.5
.
How much stronger is earthquake
A
?
32
times
15
times
57
times
2
times
Step-by-step explanation:
The picture is the explanation......
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