Warehouse 83041

At half past six in the evening, a truck left the warehouse at an average speed of 40 km/h. In 1.5 hours, a car drove behind him with an average speed of 70 km/h. How long and at what distance will the truck catch up from the warehouse?

Correct answer:

t =  2 h

Step-by-step explanation:

v1=40 km/h T=1.5 h v2=70 km/h  s1=s2  v1 (t+T)=v2 t 40 (t+1.5)=70 t  30t=60  t=3060=2  t=2=2 h



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