The boat floats along the river at a speed of 3 m / s relative to the water. Calculate the distance traveled by the boat
| December 29, 2020 | education
The boat floats along the river at a speed of 3 m / s relative to the water. Calculate the distance traveled by the boat relative to the shore in 20 s, if the current speed is 1 m / s.
The water-related frame of reference does not take into account the flow velocity.
Let’s go over to the frame of reference connected with the coast. Then Vl = Vsob + Vflow.
S = Vcob * t + Vflow * t = 3 * 20 + 1 * 20 = 80m
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