Spacetime is curved by
A) mass.
B) the force of gravity.
C) quantum fluctuations.
D) the vacuum force.
Correct Answer:
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Q23: In a 1-g gravitational field,in 1 s,a
Q24: A strong gravitational field
A)slows a clock.
B)speeds up
Q25: According to cosmic inflation theory,the distribution of
Q26: General relativity is most concerned with
A)acceleration.
B)gravitation.
C)space-time geometry.
D)all
Q27: According to Alan Guth,magnetic monopoles are not
Q29: "Local observations made in an accelerated frame
Q30: According to inflation theory,parallel lines appear to
Q31: According to Einstein,gravity is not the force
Q32: Space and time are
A)bound together.
B)independent entities.
Q33: If the Sun suddenly became less massive,what
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