Two parallel rail tracks run north-south. Train A moves north with a speed of 54 `km h^-1` and train B moves south with a speed of `90 km h^-1` .Velocity of a monkey running on the roof of the train A against its motion (With a velocity of `18 km h^-1` with respect to the train A) as observed by a man standing on the ground?

Two parallel rail tracks run north-south. Train A moves north with a speed of 54 km h^-1 and train B moves south with a speed of 90 km h^-1 .relative velocity of ground with respect to B?

Two parallel rail tracks run north-south. Train A moves north with a speed of 54 km h^-1 and train B moves south with a speed of 90 km h^-1 . What is the relative velocity of B with respect to A

A train 100 m long is moving with a velocity of 60 kmh^-1 . Find the time it takes to cross the bridge 1 km long.

A car travels a distance from A to B at a speed of 60 km h^-1 and returns to A at a speed of 30 km h^-1 . The average speed of the car for the whole journey is:

Fill in the blanks:- A vehicle moving with a speed of 18 km 'h^-1' covers…..m in 1 s

A jet airplane travelling at the speed of 500 km h^-1 ' ejects its products of combustion at the speed of 1500 km h^-1 ' relative to the jet plane. What is the speed of the latter with respect to an observer on the ground ?

A train starting from rest attains a velocity of 72 km/h in 5 minutes. Assuming that the acceleration is uniform Find the acceleration.

A bird is tossing (flying to and fro 0 between two cars moving towards each other on a straight road. On car has a speed of 18 km /h while the other has the speed of 27 km /h. The bird starts moving from first caer towards the other and is moving with the speed of 36 km /h and when the two cars were separated by 36 km. What is the total distance comered by the bird ? What is the total displacement of the bird ?