At what distance from a -5.35*10^-6 C charge will the electric potential be -500 v?

What is the length x of the side of the triangle below? (hint: use the cosine function)

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?