Question

two trains running in same direction with the speed of 40 kilometre per hour and 70 km per hour respectively find the relative speed​

Answer 1

Answer:

I think it is 28,000

Step-by-step explanation:

Because if you multiply 40 times 70 you get 28,000

Answer 2

Answer:

Step-by-step explanation:

Train A running with a speed of 40km/hr

Train B running with a speed of 70km/hr

Relative speed of the trains = (70-40)km/hr

                                               = 30km/hr

                                               = 30 x 5/18 m/sec

                                               = 25/3 m/sec