Two train are moving in a straight line in the same direction with a speed of 80 km/h. The relative velocity of one trains w.r.t. each other is

Two cars are moving is one a same line dimension in opposite direction with the same speed v. The relative velocity of two cars w.r.t. each other is

Two cars are moving is one a same line dimension in opposite direction with the same speed v. The relative velocity of two cars w.r.t. each other is

Two trains cross each other in opposite direction with velocity 72 km/h. The magnitude of relative velocity of one train with respect to the other is ......

Two trains are running on parallel lines in the same direction at a speed of 50 km. and 30 km per hour respectively. The faster train crosses a man in slower train in 18 seconds. The length of the faster train is:

A tran is moving with a velcoty 72 km h^(-1) in the Noth-East direction. If abither train is moving with a vleocity 54 km h^(-1) in the North-West direction, then what is the relative velcoity of the secons train w.r.t. the first train ?

The length of Lucknow mail is 120 m and that of Punjab mail is 80 m. These two trains are running in the same direction with velocities of 40 km/h and 50 km/h respectively. The time taken by them to cross each other is :