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.
Those researchers recommended eating a light meal before exercising. And as for weight loss in general, a study published in June 2012 in the journal Appetite found that it was no more effective to run for 60 minutes on a treadmill before eating breakfast than after to aid weight loss.