The distance between the piers is 24 km. the motor boat has its own speed of 38 km / h
| July 25, 2021 | education
The distance between the piers is 24 km. the motor boat has its own speed of 38 km / h, and the speed of the river is 2 km / h. how much time t will the motorboat take for the entire journey, moving against the river flow?
1) Determine the speed of a motor boat moving against the flow of the river:
38 -2 = 36 (km / h) – boat speed against the current.
2) Find how long it takes for the boat to cover the distance of 24 km:
24: 36 = 0.67 (h) – on the way.
Answer: the boat will spend 0.67 hours for the entire journey.
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