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Problem 3 On Monday August 27, 1883 the volcanic island of Krakatoa in the Sunda Strait in what is now Indonesia, exploded and over 70% of the island collapsed. The explosion was so violent and loud that they were heard in Rodrigues near Mauritius, 3000 miles away. a) The explosion registered at 172 dB at a location 100 miles away. What was the intensity of the sound at this location? (Recall 1 miles is 1609 meters) (10pts) b) Norham Castle, a British ship was 40 miles from Krakatoa at the time of the explosion. The ship's captain write that the eardrums of over half of his crew were ruptured by the sound. Using a calculation, what was the decibel level of the explosion at this location? (10pts)