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.
About 10,000 steps is the equivalent of exercising strenuously for 30 minutes, or walking five miles per day. By following this routine, you'll expend an additional 2,000 to 3,500 calories per week.One pound of fat equals 3,500 calories. The average American takes 2,300 to 3,000 steps per day.eople who take fewer than 5,000 steps are considered to be sedentary or inactive. Those who take 5,000 to 7,499 steps daily have a low active lifestyle. Somewhat active people usually take 7,500 to 9,999 steps per day. People considered to be active take 10,000 or more steps per day.