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

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 .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?

A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15 minutes. The total distance covered by the car is:

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:

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 ?

An aeroplane travelling at a speed of 500 km h^-1 banks at an angle of 30^@ as it makes a turn .What is the radius of the curve?

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