Number the steps for balancing equations:
Use coefficients to increase the atoms on each side.
Check to make sure you have the same number of each type of atom on each side.
Count the atoms on each side,
Identify the atoms on each side.
Intro

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

How is the gravitational force related to the distance between two objects?

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?