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Special and General Relativity

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1
Einstein said that gravity exists because
of the existence of black holes
massive objects warp space
light moves randomly throughout the universe
massive objects attract one another
2
According to Einstein, what is considered the fourth dimension?
horizontal dimension
space dimension
time dimension
curled dimension
3
The Special Theory of Relativity states that
The five fundamental forces are linked to one another
Light has mass
The laws of physics are the same in moving + non-moving frames of reference
4
Einstein's famous equation E = mc² states that
mass and the speed of light are equivalent
mass is always greater than energy
energy and mass are equivalent
energy and the speed of light are equivalent
5
A particular task requires 3.46 J of energy. Using E = mc², how much mass is needed to accomplish this task?
3.46 × 10–8 kg
1.15 × 10–8 kg
3.11 × 1017 kg
3.84 × 10–17 kg
6
Einstein's Theory of General Relativity states that
the speed of light is constant
physics for nonmoving and moving frames are not the same
physics for accelerated and nonaccelerated frames are not the same
gravity and acceleration are equivalent
7
As a beam of light passes by the sun and heads toward earth,
the mass of the sun deflects the motion of the beam of light
the massive sun warps space-time, causing the light to bend slightly
the sun absorbs the light
light is reflected away from the earth
8
Einstein's Second Postulate of Special Relativity states that the speed of light
can decrease if the speed of the observer decreases
is constant regardless of the speed of the observer or the light source
can increase if the speed of the light source increases
randomly changes depending upon its original light source