Would you expect light to bend if it entered corn oil at an angle after it traveled through glycerol? explain.

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Could we see a galaxy that is 20 billion light-years away?

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=