How can self- regulation in personal and professional life?

What inspired to create the film gladiator

Let r(t) represent the rate, in square feet per minute, at which a groundskeeper is mowing a lawn t minutes after 3 p.m. what expression represents the area, in square feet, of the lawn that is mowed between 3 p.m. and 5 p.m.?

The law of inertia states objects that are moving continue to move, and alternatively objects that are static remain static, unless in both instances the objects are acted upon by another force