Special relativity tells us that
A)
the speed of light is variable.
B)
light moves faster if emitted by a source moving in the direction of emission.
C)
light moves faster if emitted by a source moving in the direction of emission and light moves slower if emitted by a source moving in the direction opposite the emission.
D)
light moves slower if emitted by a source moving in the direction opposite the emission.
E)
light moves at the same speed independent of the motion of the source.
E
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A reactor with a conversion coefficient of 0.87 is a burner
What will be an ideal response?
If a system undergoes a reversible process,
A) it must be possible to restore the system to its original state. B) it must be possible to restore the surroundings to their original state. C) it must be possible to restore both the system and the surroundings to their original states. D) it is impossible to restore either the the system or the surroundings to their original states. E) the system must not interact with its surroundings.
A current carrying circular loop of wire lies flat on a table top. When viewed from above, the current moves around the loop in a counterclockwise sense
What is the direction of the magnetic field caused by this current, inside the loop? The magnetic field A) circles the loop in a clockwise direction. B) circles the loop in a counterclockwise direction. C) points straight up. D) points straight down. E) points toward the east.
Which of the identical light bulb(s) is(are) brightest when the capacitor has half its maximum charge?
a.
A
b.
B
c.
C
d.
A and B
e.
All three are equally bright.