Jonathan Faulk's Velocity, Position, Acceleration Reassessment

Описание к видео Jonathan Faulk's Velocity, Position, Acceleration Reassessment

A relay race is run a long a straight-line track of length 300.0m running south to north. The first runner starts at the south end of the track and passes the baton to a teammate at the north end of the track. The second runner races back to the start line and passes the baton to a third runner who races 100.0m northward to the finish line. The magnitudes of the average velocities of the first, second, and third runners during their parts of the race are 7.30m/s, 7.20m/s, and 7.80m/s, respectively. What is the average velocity of the baton for the entire race?

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