What forces were acting on the objects dropped in the air? what forces act when dropped in a vacuum?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

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

0.5 kg of silver increases temperature from 0 celsius to 7 celsius when heat is added how much heat energy produced this change in temperature