Cities А В С are connected by a straight-line highway, and city B is located between cities A and C from city A
| June 2, 2021 | education
Cities А В С are connected by a straight-line highway, and city B is located between cities A and C from city A towards city C a passenger car drove out at a speed of 85 km per hour and at the same time a truck left city B towards city C at a speed of 60 km an hour in how many hours will a passenger car catch up with a load if the distance between cities A and B is 125 km?
85 km / h – the rate of movement of a car.
60 km / h – the speed of the truck.
125 km is the distance between cities.
85 – 60 = 25.
25 km / h – the rate of convergence between a car and a truck.
125/25 = 5.
After 5 hours, a passenger car will catch up with a lorry.
Solution: in 5 hours.
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