The AREA of the shaded region is the moving object's displacement.
Yes, electromagnetic waves do carry energy. In fact, every wave carries energy: that is, potential energy.
<span>A bike is compound machine.This means that it is made up of a bunch of different simple machines. Screws are used to hold the pieces together. The wheel of a bicycle is a wheel and axle. The pedals are also examples of this simple machine. The pedals are attached to a lever that turns a pulley.</span>