1
Q
in the vacuum of space, light travels at a speed
A
3.00 x 10 to the 8th power
2
Q
the speed of light is always what no matter how it is measured
A
constant
3
Q
regardless of the location or motion of the person doing the measuring , the measured speed of light in a vacuum will be exactly
A
299,792,458 m/s
4
Q
objects are shorter in the
A
direction of motion
5
Q
the mass of an object moving at a high speed
A
increases
6
Q
einsteins general theory of relativity also shows that time and length are what
A
affected by gravity
abeka 9th grade
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