Imagine That You Are Sitting in a Closed Room (No

question 53

Multiple Choice

Imagine that you are sitting in a closed room (no windows,no doors) when,magically,it is lifted from Earth and sent accelerating through space with an acceleration of 1g (9.8 m/s²) .According to Einstein's equivalence principle,which of the following is true?

• A)You won't feel any change and will have no way to know that you've left Earth.
• B)You'll feel a force that will cause your head to repeatedly bang into the ceiling.
• C)You'll know that you left Earth because when you drop a ball it will fall sideways.
• D)You'll know that you left Earth because you'll be floating weightlessly in your room.

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