An observer is standing on the station platform when a high speed train passes through with a velocity.v = 0.8c. The observer who measured the platform to be 60 m long notices that the front and back of the train line up exactly with the edge of the platform(a) how long does the ground based observer measures for the train to pass a fixed point on the platform. (b) What is the proper length of the train?(c) What is the length of the platform according to an observer on the train (d) hew long will it take a point on the platform to pass the full length of the train according to an observer on the train. (e) To an observer on the train the end of the train will not line simultaneously up with the ends of the platform. Find the time interval between
the front end of the train living up with the ends of the platform and the back end of the train living up with the other.