# physics

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a race car traveling northward on a straight, level track at a constant speed travels 0.750 km in 20.0 s. the return trip over the same track is made in 25.0 s.

a) what is the average velocity if the car in m/s for the first leg of the run?

b) what is the average velocity for the total trip?

• physics -

750 m/ 20 s

1500 m / 45 s

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