Question

A train is moving with constant acceleration. When the ends of the train pass by a signal
their speeds are 30 km/h and 40 km/h respectively. Calculate the speed of the midpoint o
train while passing the signal.

Answer 1

$\huge\underline\mathfrak\blue{Solution}$

4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through