A river is flowing at the rate of 6 km/hr. A swimmer swims across with a velocity of 9 km/hr w.r.t. water. The resultant velocity of the man will be in (km/hr):-

A man moves on a cycle with a velocity of 4 km/hr. The rain appears to fall on him with a velocity of 3 km/hr vertically. The actual velocity of the rain is

A man moves on a cycle with a velocity of 4 km/hr. The rain appears to fall on him with a velocity of 3 km/hr vertically. The actual velocity of the rain is

The stream of a river is flowing with a speed of 2 km/hr. A swimmer can swim at speed of 4 km/hr. What should be the direction of the swimmer with respect to the flow of the river to cross the river straight ?

A bird is flying towards south with a velocity 40km/hr and a train is moving with a velocity 40km/hr towards east. What is the velocity of the bird w.r.t. an obserber in train:-

A bird is flying towards south with a velocity 40km/hr and a train is moving with a velocity 40km/hr towards east. What is the velocity of the bird w.r.t. an obserber in train:-

A bird is flying towards south with a velocity 40km/hr and a train is moving with a velocity 40km/hr towards east. What is the velocity of the bird w.r.t. an obserber in train:-

A boat is rowed across a river at the rate of 4.5(km)/(hr) . The river flows at the rate of 6(km)/(hr) . The velocity of boat in (m)/(s) is: