Whats the difference between a knee brace and a knee stabilizer?

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

Of is j/kg·k. if a 2.6 kg of isk to k,is ?

Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature