A river 800 m wide flows at the rate of `5kmh^(-1)`. A swimmer who can swim at `10 kmh^(-1)` in still water, wishes to cross the river straight. (i) Along what direction must be strike ? (ii) What should be his resultant velocity ? (iii) How much time he would take ?

A river 500 m wide flows at a rate at a rate of 4 km h^(-1) . A swimmer who can swim at 8 km h^(-1) . In still water, wishes to cross the river straight. (i) Along what direction must he strike? (ii) What should be his resultant velocity. (iii) What is the time of crossing the river?

A river 800 m wide flows at the rate of 6 km h^(_1) in still water, wishes to cross the tiver straight. ltbRgt (a) Along what direction must he strike ? (b) What should be his resultant velocity ? (c ) How much time he would take ?

A river 600 m wide wide flows at the rate of 8 km h^(-1). Still water, wishes to cross the river straight (i) Along what direction must be strike ? What will be his resultant velcity ? (ii) How much time he will 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 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 km/h in still water. A river 1 km wide flows at the rate of 3 km/h. 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 he would take to cross?

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 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 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 person can swim at 4 km *h^(-1) in still water . At what angle should he set himself to cross the river in a direction perpendicular to the river current of velocity 2 km *h^(-1) .