Question

A train travels 20 km at a uniform speed of 60 km per hour and the next 20 km at the speed of 80 kilometre per hour calculate its speed average​

Answer 1

Answer:

Average Speed = (v + u) / 2

=》 Average Speed = (80 + 60)/2

=》 Average Speed :

70 km/hr

Answer 2

That’s the answer hope it works