The coefficient of friction for a box being pushed on the floor is .4. If the box is placed onto a counter would the coefficient of friction of the box be the same? Justify your answer using data from the lab

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