If two protons are moved 3 times farther apart, the electrical force between them is what factor of the original force?
Question 2
A diver shines an underwater searchlight at the surface of a pond (n = 1.33). At what angle (relative to the surface) will the light be totally reflected?
a. 47.3
b. 41.2
c. 51.1
d. 58.7
e. 49.8