A jogger has a speed of 2.0 meters per second. After 4.0 seconds pass, he has a speed of 8.0 meters per second. What was his acceleration during this period of time?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?