3) At a football game, fans in the stadium are doing " the wave," in which people in the croud put their hands up and down to make the appearance of a wave travelling across the croud. Is this a longitudinal wave or a transverse wave? It is typically a pulse or a continuous wave? 4) A guitar string is tightened so that the tension in it is 80 N. The speed of a transverse wave traveling down the string is measured at 600 m/s. a. What is the linear mass density of the string? b. If the string is 65 cm in length, what is the total mass of the string