a beam from a flashlight hits a piece of black coal and a piece of metal located 1 m away. the metal appears shiny compared to the coal. which of the following choices correctly explains how the light interacts with the coal and metal in this situation?

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?