Question

A train is moving at the speed of 60 m per second at 10 o'clock

a.M. At 80 m per second at 10:02 am . Assuming that the train moves along striaght track and the acceleration is constant , the value of acceleration is

Answer 1

initial velocity =60m/s, final velocity =80m/s time= 2s

1. acceieration.--  v=u+at= 10m/s