2 questions!! HELP PLEASE!!!! Posting in the comments!!!!
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1.How much more intense is an earthquake that measures 7.5 on the Richter scale than one that measures 6.2? (Recall that the Richter scale defines magnitude of an earthquake with the equation M=log (I/S), where I is the intensity of the earthquake being measured, and S is the intensity of a standard earthquake.
2.The psychological sensation of loudness B is measured in decibel and is defined with the reference the the intensity, I_0, of a barely audible sound by the following equation. In this equation, I is the intensity of the sound in question. B=10Log(I/I_0) If the sound of a jet engine during takeoff is 140 decibels and the sound of a rock concert is 115 decibels, how does the intensity of the sound of the jet engine compare to the intensity of the sound of the rock concert?