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Physics, 06.09.2019 18:20 ceeejay0621

Two trains are headed towards each other on the same track unbeknownst to the engineers. one departs san francisco. its average speed is 55 miles per hour. the 2nd departs seattle at the same time that the first one departs san francisco. its average speed is 65 miles per hour. the length of track separating the two locations is 860 miles. how many minutes (from departure time) before the two trains collide?

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