Mathematics, 15.01.2020 06:31 john9727
Earthquake intensity on the richter scale, the magnitude r of an earthquake of intensity i is given by
r = (ln i - ln i0)/ln 1o
where 10 is the minimum intensity used for comparison. assume 10 = 1.
(a) find the intensity of the march 11, 2011 earthquake in japan for which r = 9.0.
(b) find the intensity of the january 12. 2010 earthquake in haiti for which r = 7.0.
(c) fiind the factor by which the intensity is increased when the value of r is doubled.
(d) find dr/dl.
Answers: 1
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