Consider the nfpa diamond handout. a material has a health hazard â extreme dangerâ , a fire hazard â flash point below 100 deg fâ , a reactivity hazard â violent chemical changeâ and is â corrosiveâ . which one of the following would be indicated, in order, on the nfpa diamond for this material?

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=