Question

Из одного пункта в одном направлении одновременно выехали два автомобиля.Одон автомобиль двигался со скоростью 72 км/ч, а второй - со скоростью 64 км/ч. Через сколько часов после начала движения расстояние между автомобилями будет 52 км?

Answer 1

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52:(72-64)=6.5 ч

Answer 2

Calculating the Time for the Cars to Reach a Distance of 52 km Apart

To calculate the time it takes for the two cars to be 52 km apart, we can use the formula: Distance = Speed × Time

Let's denote: - Speed of the first car as S1 = 72 km/h - Speed of the second car as S2 = 64 km/h - Time taken as T (in hours)

The relative speed of the two cars is the sum of their individual speeds: Relative Speed = S1 + S2

The equation to find the time taken for the cars to be 52 km apart is: 52 = (S1 + S2) × T

Calculating the Time

Using the given speeds and the relative speed formula, we can calculate the time it takes for the cars to be 52 km apart.

Relative Speed = 72 km/h + 64 km/h = 136 km/h

Now, we can use the formula to find the time: 52 km = 136 km/h × T

T = 52 km / 136 km/h

T ≈ 0.3824 hours

Therefore, it will take approximately 0.3824 hours for the cars to be 52 km apart.

Conclusion

After analyzing the given information, it can be concluded that the two cars will be 52 km apart approximately 0.3824 hours after the start of their journey.