A swimmer crosses a river in shortest distance

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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. A swimmer crosses a flowing stream of width d toand from in time t 1. Then the time the swimmer would take to swim a distnace 2d in still water is. A swimmer crosses a flowing stream of width d to and fro normal to the flow of the river at time t 1. It will take time for the swimmer to cover the 2d distance in still water.

A swimmer crosses a river in shortest distance

A man swimming downstream overcomes a float at a point M. Then the ratio of speed of swimmer with respect to still water to the speed of the river will be. Swimmer takes 6 seconds to cross the river of width 60 m. The velocity of the swimmer with respect to water will be :. To cross the river in shortest distance, a swimmer should swimming an angle theta with the upsteram. What is the ratio of the time taken to swim across in the shortest time to that in swimming across over shortest distance. Velocity of the river water is 5 m s. Swimmer takes 12 seconds to cross the river of width 60 m. The velocity of the swimmer with respect to water will be:. A swimmer start swimming from a sea shore in south direction and other one in east direction. Their distance becomes km. The speed of a swimmer with respect to the water is v, the speed of the stream is u. In what direction should the swimmer move to reach the opposite point on the other bank of the river? How long will he swim if the width of the river is l?

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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.

A swimmer crosses a river in shortest distance

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No Try it. Text Solution. Then the time the swimmer would take to swim a distnace 2d in still water is. Junior Hacker One to One. Verified by Toppr. Sign Up for Free. Ans: the speed of the swimmer will be approx 1 km. Please choose valid name. Recommended Questions. It will take time for the swimmer to cover the 2d distance in still water.

Home » Physics » Problem » What condition is satisfied if the swimmer desires to swim minimum distance to cross the river?

If t 3 is the time the swimmer would take to swim a distance 2d in still water, then n. What is the ratio of the time taken to swim across in the shortest time to that in swimming across over shortest distance? Test Series. Notes Access past notes and exams matches to your classes Study Groups Study with your friends by joining virtual study sessions Free Unlocks Download the mobile app and receive 3 free video solutions. A river is flowing from West to East at a speed of 5 m per min. How long will he swim if the width of the river is l? One of our academic counsellors will contact you within 1 working day. Similar Questions. Was this answer helpful? Teaches : Physics, Mathematics, Biology. Thank you for registering.