In waves, the motion of the particles in a medium is across the direction of the wave (perpendicular).

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good

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