The car drove the first third of the route at a speed of 120 km / h, the second at a speed of 50 km / h
| May 6, 2021 | education
The car drove the first third of the route at a speed of 120 km / h, the second at a speed of 50 km / h, and the last at a speed of 75 km / h. find the average speed of the car.
Since the car was moving on three sections of the path at different speeds, therefore, its average speed can be found as the sum of these three speeds divided by 3. It turns out:
(120 + 50 + 75) / 3 = 145/3 = 48.3 km / h.
Answer: The average vehicle speed is 48.3 km / h.
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