Posted by **Lexi** on Monday, October 4, 2010 at 5:22pm.

Which of the following statements about special relativity is false?

a).The proper length of an object is always larger than the length of the object in a frame where it is moving.

b).The proper length of an object depends on the relative speed between the object and an observer in a different reference frame.

c).The proper length is the measured distance between two points as measured by an observer at rest with respect to the two points.

d).Dimensions of an object that are perpendicular to the direction of motion are never contracted.

e).Dimensions of an object that are parallel to the direction of motion are always contracted.

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