You are traveling in a space ship at half the speed of light (0.5c) directly toward an oncoming photon traveling at the speed of light (c). At what speed would you see the photon coming toward you?
A) c
B) 0.25c
C) 1.5c
D) 0.5c
A
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be modified if the problem were not axisymmetric?
GIVEN
Non-axisymmetric, steady, cylindrical geometry with heat generation and convective boundary
condition.
FIND
(a) Difference equations for the centerline and surface control volumes
SKETCH
Why would Earth's orbit be unaffected were the Sun to suddenly become a black hole (with no change in its mass)?
What will be an ideal response?
A mole of diatomic oxygen molecules and a mole of diatomic nitrogen molecules at STP have
A) the same average molecular speeds. B) the same number of molecules. C) the same diffusion rates. D) all of the above E) none of the above
Light strikes a diamond (n = 2.42) at an angle of 60° relative to the normal to the surface. What is the angle of refraction?
a. 21° b. 30° c. 38° d. 69° e. 71°