According to Einstein's Equivalence Principle, Which of the Following Cannot

question 38

Multiple Choice

According to Einstein's equivalence principle, which of the following cannot be distinguished from a system accelerating with uniform acceleration in the presence of no gravity by any measurement within the system?

• A)a system moving with constant velocity in the presence of no gravitational force
• B)a system that only contains massless objects
• C)a system that is not accelerating, but is subject to a uniform gravitational acceleration
• D)a system that is moving at the speed of light
• E)a system in free fall

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