A baseball player hits a ball that arcs at an angle of 42˚ above the horizontal. If the ball is hit at a velocity of 8 m/s, what is the horizontal component of the velocity?

Listed following are various physical situations that describe how light interacts with matter. match these to the appropriate category. 1) transmission? -visible light meets clear glass -visible light does not pass through a black wall -red light hits a red sweatshirt -light comes from your computer screen -cell phone signals pass through walls -blue light hits a red sweatshirt -white light hits a white piece of paper -light comes from a light bulb