

MCQOPTIONS
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1. |
A rod of length 5 m is moving at a speed of 0.6 c. To an observer sitting perpendicular to the direction of motion, the length appears to be _______________ |
A. | 5 m |
B. | 4 m |
C. | 3 m |
D. | 2 m |
Answer» B. 4 m | |