The car covered the first part of the journey in 2.6 h at a speed of 78 km / h and the second part in 3.9 h.
| November 25, 2020 | education
The car covered the first part of the journey in 2.6 h at a speed of 78 km / h and the second part in 3.9 h. How fast did the car cover the second part of the journey if the average speed during the movement was 70 km / h?
70 * 2 = 140 (km / h) – average vehicle speed.
140-78 = 62 (km / h) is the speed of the car when it was driving the second part.
Answer: 62 km / h.
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