Two trains left at different times towards each other from two stations, the distance between which
| June 30, 2021 | education
Two trains left at different times towards each other from two stations, the distance between which is 794 kilometers, one train travels 52 kilometers per hour and the second is 10 kilometers less to the meeting point 1 of them traveled 416 kilometers Which train left earlier and how long.
Decision:
1) Find the time of 1 train knowing its path and speed.
416 km / 52 km / h = 8 hours.
2) Find the speed of the second train.
52 km / h – 10 km / h = 42 km / h.
3) Find the path of the second train.
794 km – 416 km = 378 km.
4) Find the time of the second train.
378 km / 42 km / h = 9 hours.
The difference is 1 hour.
Answer: the first train left 1 hour earlier than the second.
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