Multiple Choice
The equivalence principle says that
A) being stationary in a gravitational field is the same as being in an accelerated reference frame.
B) the universe is homogeneous and isotropic.
C) at any radius inside a star the outward gas pressure must balance the weight of the material on top.
D) mass and energy are interchangeable and neither can be destroyed.
Correct Answer:

Verified
Correct Answer:
Verified
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