CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

A man can swi...

Question

A man can swim with speed of $3 m/s$ in still water. He wants to cross a river of width $600 m$ which is flowing with speed $5 m/s$ . Minimum time taken by the man to cross the river will be

Open in App

Solution

Answer (2)
Minimum time to cross the river
$t_{min} = \frac{w}{v_{b/r}}$
$= \frac{600 m}{3 m/s} = 200 second$

Suggest Corrections

thumbs-up

1

Similar questions

Q. A man can swim in still water with a speed of

2 m / s

. If he wants to cross a river of water current speed

\sqrt{3} m / s

along shortest possible path, then in which direction should he swim?

Q. A swimmer can swim in still water with a speed of

\sqrt{7} m/s

. While crossing a river, his average speed is

4 m/s

. If he crosses the river in the shortest possible time, what is the speed of flow of water?

Q. A river of width

200

5 m / s^{- 1}

. A man crosses the river in the shear flow and swims with the same velocity, the time taken to cross the river is :

Q. A swimmer can swim in still water at

2 m/s

. In what minimum time he can cross a

400 m

wide river flowing at

4 m/s

?

Q. A river of width

100 m

is flowing with a velocity of

1.5 m / s

. A man start from one end with rest relative the river. He rows with an acceleration of

2 m / s^{2}

relative to the river. If the man want to cross the river in minimum time, by how much distance will he be drifted (flown) in the direction of river flow during the crossing.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

The Eve of Independence

Watch in App

Join BYJU'S Learning Program

CrossIcon