A swimmer crosses a river in shortest distance

A swimmer crosses a flowing stream of width. The time taken to cover the same distance up and down the stream is t 2. If t 3 is the time the swimmer would take to swim a distance 2d in still water, then n.

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A swimmer crosses a river in shortest distance

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On occasion objects move within a medium that is moving with respect to an observer. For example, an airplane usually encounters a wind - air that is moving with respect to an observer on the ground below. As another example, a motorboat in a river is moving amidst a river current - water that is moving with respect to an observer on dry land. In such instances as this, the magnitude of the velocity of the moving object whether it be a plane or a motorboat with respect to the observer on land will not be the same as the speedometer reading of the vehicle. Motion is relative to the observer. The observer on land, often named or misnamed the "stationary observer" would measure the speed to be different than that of the person on the boat. The observed speed of the boat must always be described relative to who the observer is. To illustrate this principle, consider a plane flying amidst a tailwind.

A swimmer crosses a river in shortest distance

Home » Physics » Problem » What condition is satisfied if the swimmer desires to swim minimum distance to cross the river? When he crosses a river with shortest time one component of boat velocity is opposite to velocity of water and other component is perpendicular to velocity of water. Therefore if the reverberation time becomes too large it produces an echo.

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Forum Mechanics A swimmer crosses a river in shortest Swimmer takes 12 seconds to cross the river of width 60 m. Sign Up for Free. Add To Playlist Hmmm, doesn't seem like you have any playlists. Talk to a tutor now students are taking LIVE classes. He crosses the river in shortest possible time. Sign Up Free. View Solution. A swimmer crosses a river of width d flowing at velocity v. Let's assume that the swimmer is at point A on one side of the river and wants to reach point B on the other side. While swim Enter email id Enter mobile number. A swimmer crosses a river in shortest distance. Two swimmers A and B start swimming from different positions on the sa

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Log In. Their distance becomes km. Total classes on Filo by this tutor - 2, See more 1-on-1 discussions 4. Question 2. The time taken by him to cross the 1 km wide river is 1 30 min 2 1 hr 3 2 hrs 4 20 min. Add To Playlist Hmmm, doesn't seem like you have any playlists. A river is flowing from West to East at a speed of 5 m per min. A swimmer crosses a river in shortest distance. Video Solution. High dosage tutoring from Dedicated 3 experts. A swimmer crosses a river of width d flowing at velocity v. Highlight the state and non-state initiatives addressing caste and tri While swim