Describe how eyewitness testimony was used to convict Paul Kenneth Keller. What techniques were used in creating a composite sketch? List some of the benefits of eyewitness testimony.

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?