The speed of the boat relative to the river bank when moving downstream
| July 23, 2021 | education
The speed of the boat relative to the river bank when moving downstream is 43.2 km / h, and upstream – 28.8 km / h. Determine the speed of water flow.
To find the desired water flow rate, we will use the formula: Vt = (V2 – V1) / 2.
Values of variables: V2 – speed when moving downstream (V2 = 43.2 km / h); V1 – speed upstream (V1 = 28.8 km / h).
Let’s calculate: Vt = (V2 – V1) / 2 = (43.2 – 28.8) / 2 = 7.2 km / h.
Answer: The speed of the water flow is 7.2 km / h.
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