Multiple Choice
According to the theory of relativity:
A) mass is a form of energy
B) moving particles lose mass
C) momentum is not conserved in high speed collisions
D) a rod moving rapidly sideways (perpendicular to its length) is shorter along its length
E) a rod moving rapidly sideways (perpendicular to its length) is longer along its length
Correct Answer:

Verified
Correct Answer:
Verified
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