Explain why the velocity and acceleration vectors behave as they do for the preset motions (linear acceleration I, II, circular motion, & harmonic motion).
Dentist Tip: Brushing three times a day is ideal. If you can brush once after every mealâbreakfast, lunch, and dinnerâyou minimize the growth of bacteria in your mouth. But wait an hour after each meal: brushing too soon can cause damage to the enamel of your teeth.
Most adults do not come close to brushing that long. These four steps are the best and easiest ways to help you remember how to care for your mouth, teeth and gums: Brush at least twice a day with fluoride toothpaste for at least two minutes, especially first thing in the morning and before bedtime.