Ultraviolet rays are more likely to give you a sunburn than visible light. What statement would be the best possible explanation for this?

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

Which of the following quantities are units of momentum? (there could be more than one correct choice.) a)n m b) kg s/m c) kg m/'s d)n-s 12 points] e) kg m2/s2

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?