was an earthquake in South America with magnitude 4.3 that caused only minor damage. How many times more intense was the earth movement in San Francisco earthquake than the South American one?

Q: Suppose that a shallow earthquake occurs in which the P waves travel 8 km/sec and the S waves travel…

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Q: How long a tape does a police officer need to record a 2 minute video confession at an operating…

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Q: One of the fastest known glaciers was recorded moving at speed of 0.15 cm/s. How many days would it…

A: Since 1 mile = 1.61 km So, 10 miles = 10×1.61 km = 16.1 km  Again 1 km = 100000 cm So, 16.1 km =…

Q: A safety inspector determines that contamination from an abandoned factory site is spreading through…

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Q: Compare the amount of earth movement (energy released) by earthquakes of magnitudes 8 and 9. (Round…

A: An earthquake of magnitude M release energy E is given by log10E=4.4+1.5M

Q: A balloon, leaving the ground 53 ft from an observer, rises 10.75 ft/sec. How fast is the angle of…

A: The given problem is to find the how fast is the angle of elevation of the line of sight increasing…

Q: The largest recorded earthquake centered in Minnesota occurred in 1975 (near Morris, in western MN)…

A: Consider the largest earthquake in Minnesota was measured at 4.6 Richter scale.

Q: the north american plate is moving west at a rate of 20mm/year. the eurasion plate is moving east at…

A: The north American plate is moving west at a rate of mm/year.The Euresian plate is moving east at a…

Q: If an earthquake is 450 times as intense as an earthquake with a magnitude of 5 on the Richter…

A: Given : An earthquake is 450 times as intense as an earthquake with a magnitude of 5 on the Richter…