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BigorU [14]
3 years ago
10

A boat crossing a 153.0 m wide river is directed so that it will cross the river as quickly as possible. The boat has a speed of

5.70 m/s in still water and the river flows uniformly at 4.90 m/s. Calculate the total distance the boat will travel to reach the opposite shore.
Physics
1 answer:
irinina [24]3 years ago
6 0

Answer:

201.76266192 m

Explanation:

Distance traveled in the horizontal direction = 153 m

In the vertical direction the distance traveled

\dfrac{4.9\times 153}{5.7}=131.526315789\ m

Total distance from pythagoras theorem

d=\sqrt{153^2+(\dfrac{4.9\times 153}{5.7})^2}\\\Rightarrow d=201.76266192\ m

The total distance the boat will travel to reach the opposite shore is 201.76266192 m

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