At the highest average plate tectonic speed (the highest long term rate between

Question

At the highest average plate tectonic speed (the highest long term rate between 2 plates: you’ll have to look this up}, approximately how long would it take to travel from San Francisco to Los Angeles (about 500 kilometers in distance)? Alternatively, another way to look at this is how long it would take for the San Andreas Fault system to move Los Angeles so that it is directly west of San Francisco (a new meaning to a “Bay Area” sport rivalry). Which one is the most appropriate answer?

a.Between 2.4million and 3.3 million years

b.9.89 seconds

c.251.17 million years

d.11,700 years

e.4.55 billion years

f.2hours, 2 minute, and 57 seconds

I have no clue what this would be. Any help?

Explanation / Answer

highest average plate tectonic speed is 1.99cm/yr

so for 500 km it would be 500*100000 cm/1.99 cm/yr

so it would be 251.17 million years

answer is c.251.17 million years

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