Tractor vs car

Behind the tractor, which was traveling at an average speed of 20 km/h, a car started in two hours, which overtook it in 1 hour. At what speed was the car moving?

Correct answer:

v2 =  60 km/h

Step-by-step explanation:

v1=20 km/h t1=1 h t2=t1+2=1+2=3 h  s1=s2  v1 t2=v2 t1 20 3=v2 1  v2=60=60 km/h

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