If you place a sheet of drawing paper over an object, securing it with tape to hold it in place, and color with the side of a pencil or crayon over the surface, what will you create?
a. a 3-dimensional replica of the object.
b. a picture that has an implied texture of the actual texture of the object.
c. an example of impasto.
d. an image which has actual texture and implied texture.

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=