On the Richter scale, the magnitude, R, of an earthquake of intensity I is given by R = log (I/I0) , where I0 is the intensity of a barely felt zero-level earthquake. If the intensity of an earthquake is 1000 I0, what is its magnitude on the Richter scale?

On the Richter scale, the magnitude, R, of an earthquake of intensity I is given by R = log (I/I0) , where I0 is the intensity of a barely felt zero-level earthquake. If the intensity of an earthquake is 1000 I0, what is its magnitude on the Richter scale?

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter6: Exponential And Logarithmic Functions

Section: Chapter Questions

Problem 50RE: The formula for measuring sound intensity indecibels D is defined by the equation D=10log (II0),...

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Question

On the Richter scale, the magnitude, R, of an earthquake of intensity I is given by R = log (I/I₀) , where I₀ is the intensity of a barely felt zero-level earthquake. If the intensity of an earthquake is 1000 I₀, what is its magnitude on the Richter scale?

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