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A car traveling at a constant velocity of 30.0 m/sec passes an intersection at time t=0. 45 seconds later a second car passes the same intersection and its traveling in the same direction at a constant velocity of 55 m/sec.

when does the second car overtake the first car?

how far have the cars traveled when this happens.?


    A race car travels northward on a straight, level track at a constant speed travels 0.760 km in 20.0 s. The return trip over the same track is made in 25.0 s.
    (a) What is the average velocity of the car in m/s for the first leg of the run?


    (b) What is the average velocity for the total trip?

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