Acapacitor stores energy u1 when it holds charge q .the same capacitor stores energy u2 when it holds charge 16 q what is the ratio between u2/u1

In a good thermo flask the main cause of heat loss is

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

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