Nested arrays of grazing incidence mirrors allow astronomers to focus radiation.

Picture a all traveling at a constant speed around the inside of a circular structure. is the ball accelerating? explain your answer

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.