Note : Show your Complete Solution. Thank you.

B. Solve the problem below involving speed of transverse wave in string. Show complete solution. 1. A guitar string has a length of .75 m and a mass of 4.8 g when subjected to a tension of 350 N. Calculate for the speed of the wave. 2. An object explodes and its sound wave propagates through the sea where the temperature is 37C. It also propagates through air with a 30 C temperature. What will be the difference in the arrival time between the two signals at a station that is 7.5 km away? (bulk modulus of seawater = 3 X 1010 N/m2; seawater density = 1245 kg/m3; molar mass of air is .049 kg)