A standard Canadian football field is 100 m long and 60 m wide.A UFO streaks from one end of the field to the other at a speed of 0.6c relative to the players on the field.An observer in the UFO measures the width of the field to be

Question

Quizplus · Accepted Answer

Due to the effects of length contraction in special relativity, lengths perpendicular to the direction of motion are not contracted. Since the UFO moves along the length of the field, only the length would appear contracted to someone on the UFO, not the width. Therefore, the width remains 60 m as measured by the observer in the UFO.

A Standard Canadian Football Field Is 100 M Long and 60