CameraIcon

SearchIcon

MyQuestionIcon

304

You visited us 304 times! Enjoying our articles? Unlock Full Access!

Inclined Planes

the speed of ...

Question

the speed of man w.r.t river is 5k/h and speed of river is 3k/h. at what angle to the river flow should be head if he wants to reach a directly opposite to starting point

Open in App

Solution

Suggest Corrections

thumbs-up

3

Similar questions

Q. The rowing speed of a man relative to water is

5

k m / h

and the speed of water flow is

3

k m / h

. At what angle to the river flow should he head if he wants to reach a point on the other bank, directly opposite to starting point?

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

3 k m / h

. He wants to cross a river that flows at

2 k m / h

and reach the point directly opposite to his starting point.
(a) In which direction should he try to swim (that is, find the angle his body makes with the river flow)?
(b) How much time will he take to cross the river if the river is

500 m

Q. A man can swim at a speed 2 m/s in still water. He starts swimming in a river at an angle 150 to the direction of water flow and reaches the directly the directly opposite point on the opposite bank.
(a) Find the speed of flowing water.
(b) If width od river is 1 km then calculate the time taken to cross the river.

Q. A man can row a boat at

4 km/h

in still water. If he is crossing a river which is

4 km

wide, and the speed of current is

2 km/h

, then in what direction should his boat be headed if he wants to reach a point on the other bank, directly opposite to the starting point?

Q. A man wants to reach point B on the opposite bank of a river flowing at a speed

u

as shown. What minimum velocity relative to water should the man have so that he can reach directly to point B?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Water Slides in Amusement Parks

PHYSICS

Watch in App

explore_more_icon

Explore more

Inclined Planes

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon