A man crosses the river in shortest time and reaches at an angle `theta= 60^(@)` to the direction of flow of water. If the speed of water is `v_w = 4 km//hr`, find the speed of the man:

A man swim at an angle theta=120^(@) to the direction of water flow with a speed V_(mw) =5 km/hr relative to water.If the speed of water V_(w) =3 km/hr, Find the speed of the man.

A man swim at an angle theta=120^(@) to the direction of water flow with a speed V_(mw) =5 km/hr relative to water.If the speed of water V_(w) =3 km/hr, Find the speed of the man.

A man travels by boat 36 km down a river and back in 8 hours. If the speed of his boat in still water is 12 km/hr, find the speed of the river current.

A man travels by boat 36 km down a river and back in 8 hours. If the speed of his boat in still water is 12 km/hr, find the speed of the river current.

A man can swim at a speed 2ms^(-1) in still water. He starts swimming in a river at an angle 150^(@) with direction of flow of water and reaches at the exactly oppsite point on the opposite bank. (a) Find the speed of flowing water. (b) If width of river is 1 km then calculate the time taken also

A man can swim at a speed 2ms^(-1) in still water. He starts swimming in a river at an angle 150^(@) with direction of flow of water and reaches at the exactly oppsite point on the opposite bank. (a) Find the speed of flowing water. (b) If width of river is 1 km then calculate the time taken also

A man can swim at a speed 2ms^(-1) in still water. He starts swimming in a river at an angle 150^(@) with direction of flow of water and reaches at the exactly oppsite point on the opposite bank. (a) Find the speed of flowing water. (b) If width of river is 1 km then calculate the time taken also

A man can swim at a speed 2ms^(-1) in still water. He starts swimming in a river at an angle 150^(@) with direction of flow of water and reaches at the exactly oppsite point on the opposite bank. (a) Find the speed of flowing water. (b) If width of river is 1 km then calculate the time taken also

A swimmer can swim in still water with speed v and the river is flowing with velociyt v//2 . To cross the river in shortest distance, he should swim making angle theta with the upstream. What is the ratio of the time taken to swim across the shortest time to that is swimming across over shortest distance