For instance, the motion of a spacecraft, regarding its orbit and attitude , is described by the relativistic theory of classical mechanics, while the analogous movements of an atomic nucleus are described by quantum mechanics.
According to the NHS, the average Briton walks between 3,000 and 4,000 steps a day - significantly less than the Fitbit target. Yet many people do significantly more, and for them 10,000 steps might not be much of a target.
Confidence votes 7. The average American takes between 3,000 and 5,000 steps per day. However a healthy amount of steps to take in a day is 10,000 or more.onfidence votes 7. The average American takes between 3,000 and 5,000 steps per day. However a healthy amount of steps to take in a day is 10,000 or more.