Physics, 24.09.2019 02:00, vvkaitlynvv4982

6. going to ocean city, john drives 40 mph for 2 hours and 70 mph for 1 hour. his brother dave leaves
30 minutes later. how fast does dave need to steadily drive to get to ocean city at the same time as john?

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6. going to ocean city, john drives 40 mph for 2 hours and 70 mph for 1 hour. his brother dave leave...