Physics


Solar Radiation at Earth

The Sun emits a tremendous amount of energy, in the form of electromagnetic radiation, into space. If we could somehow build a gigantic ball around the Sun that completely enclosed it, and lined that ball with perfectly efficient photovoltaic solar panels, we could capture all of that energy and convert...

Quiz

In an elastic collision, momentum and ————– is conserved Select one: a. Kinetic energy b. Potential energy c. Atomic energy d. Inertia Which of the following is the best example of an elastic collision Select one: a. A player colliding with another during a football game b. A cricket bat...