A Measurement of the Length of an Object That Is

question 32

Multiple Choice

A measurement of the length of an object that is moving relative to the laboratory consists of noting the coordinates of the front and back:

• A)at different times according to clocks at rest in the laboratory
• B)at the same time according to clocks that move with the object
• C)at the same time according to clocks at rest in the laboratory
• D)at the same time according to clocks at rest with respect to the fixed stars
• E)none of the above