Suppose you put two protons near each other. Because of the electromagnetic force, the two protons will
A) collide.
B) remain stationary.
C) attract each other.
D) repel each other.
E) join together to form a nucleus.
Question 2
Compared to our Sun, a typical white dwarf has
A) about the same mass and density.
B) about the same mass and a million times higher density.
C) a larger mass and a 100 times lower density.
D) a smaller mass and half the density.
E) a smaller mass and twice the density.