A thief is escaping on a straight road in a jeep moving with a-speed of `9 m//s`. A policeman chases him on a motorcycle moving at a speed of` 10 m//s`. The instantaneous separation of jeep from the motorcycle is 100 m.What is the velocity of policeman relative to thief?

A thief is escaping on a straight road in a jeep moving with a-speed of 9 m//s . A policeman chases him on a motorcycle moving at a speed of 10 m//s . The instantaneous separation of jeep from the motorcycle is 100 m.How long will take for the policeman to catch the thief?

Two parallel rail tracks run north-south. Train A moves north with the speed of 15m/s and train B moves south with the speed of 25 m/s . What is the velocity of ground with respect to B?

Two parallel rail tracks run north-south. Train A moves north with the speed of 15m/s and train B moves south with the speed of 25 m/s . What is the velocity of B with respect to A?

A loaded lorry of mass 1500 kg moves with a velocity of 12 m/s. within a small interval of the time the velocity becomes 10 m/s. What is the change in momentum ?