A man can swim in still water at `4m//s` river is flowing at `2m//s`. the angle with downstream at which he should swim to cross the river minimum drift is
A swimmer can swim in still water with speed v and the river is flowing with speed v//2 . What is the ratio of the time taken to swimming across the river in shortest time to that of swimming across the river over the shortest distance ?
A man wishes to swim across a river 0.5km. wide if he can swim at the rate of 2 km/h. in still water and the river flows at the rate of 1km/h. The angle (w.r.t. the flow of the river) along which he should swin so as to reach a point exactly oppposite his starting point, should be:-
A swimmer can swim with speed 12 m/s in still water. Speed of river is 6 m/s. Find angle at which he should swim with downstream so that he reaches directly opposite point on other side
A man can swim in still water t a rate of 4 km/hr. The width of the river is 1 km. how long will he take to cross the river straight, if the speed of the current is 3 km/hr? 10 m in b. 20 m in c. 15 m in d. 18 m in
A man can swim at the rate of 5 km h^-1 in still water. A 1 - km wide river flows at the rate of 3 km h^-1 The man wishes to swim across the river directly opposite to the starting point. (a) Along what direction must the man swim ? (b) What should be his resultant velocity ? ( c) How much time will he take to cross the river ?
A man can swim at the rate of 5 kmh^(-1) in still water A. One km wide river flows at the rate of 3 kmh^(-1) . The man wishes to swim across the river directly opposite to the starting point. How much time will be take to cross the river
A man can swim at the rate of 5 km//h in still water. A river 1 km wide flows at the rate of 3km h^(-1) . A swimmer wishes to cross the river straight.
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
A person can swim in still water at 5 m//s .He moves in a river of velocity 3 m//s , first down the steam and next same distance up the stream. The ratio of times taken are
A boy can swim in still water at 1m//s . He swims across a river flowing at 0.6m/s which is 336 m wide. If the travels in shortest possible time, then what time he takes to cross the river?
