A ship A is moving westwards with a speed of `10 km h^(-1)` and a ship B 100 km south of A, is moving northwards with a speed of `10 km h^(-1)` The time after which the distance between them becomes shortest, is

A ship A is moving Westwards with a speed of 10kmh^(-1) and a ship B 100km South of A is moving northwards with a speed of 10kmh^(-1) . The time after which the distance between them shortest is

To a person going westwards with a speed of 6 km h^(-1) , rain appears to fall vertically downwards with a speed of 8 km h^(-1) . Find the actual speed of the rain and its direction.

A train moves northwards with speed 80 km h^(-1) . While a car moves towards east with a speed of 60^( km h^(-1) , what is the velocity of the train w.r.t the driver of the car ?

A car is moving with a speed of 53 km/h. it can cover a distance of 318 km in

A car is moving towards east with a speed of 25 km h^-1 . To the driver of the car, a bus appears to move towards north with a speed of 25 sqrt(3) km h^-1 . What is the actual velocity of the bus ?

the distance between two stations is 20 km. if a train moves with a constant speed of 60 km h^(-1) , then the time taken by the train moves with a constant speed of 60 km h^(-1) , then the time taken by the rain to reach the next station is _____

Two parallel rail tracks run north-south. On one track train A moves noth with a speed of 54 km h^(-1) and on the other track train B moves south with a speed of 90 km h^(-1) . The velocity of train A with respect to train B is

A bus travel one third of the distance with a speed of 12 km h^(-1) and the remaining distance with a speed of 20 km h^(-1) . The average speed of the bus is __________ km h^(-1)

A cart A of mass 50 g moving at a speed of 20 km/h hits a lighter cart B of mass 20 kg moving towardsd it at a speed of 10 km/h. The two carts cling to each other. Find the speed of the combined mass after the collision.