Asked by ashley --
An observer measures the length of an object. In which of the following cases is the measured length at a minimum?
Choose one answer.
a. The observer and the object move with the same speed v in the same direction.
b. The observer and the object move with the same speed v in the opposite direction.
c. The observer and the object move with the same speed v in perpendicular directions.
d. The observer moves at an angle 30° to the direction of the object, but both move with the same speed.
Choose one answer.
a. The observer and the object move with the same speed v in the same direction.
b. The observer and the object move with the same speed v in the opposite direction.
c. The observer and the object move with the same speed v in perpendicular directions.
d. The observer moves at an angle 30° to the direction of the object, but both move with the same speed.
Answers
Answered by
drwls
Case (b), which has the highest relative velocity (2v), and the greatest relativistic length contraction.
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