If the velocity of your spaceship goes from 0.3 c to 0.6 c, then your mass will increase by
A)
19.
B)
38.
C)
74.
D)
100.
E)
200.
Question 2
A ray of light, which is traveling in air, is incident on a glass plate at a 45 angle. The angle of refraction in the glass
A)
is less than 45.
B)
is greater than 45.
C)
is equal to 45.
D)
could be any of the above; it all depends on the index of refraction of glass.