(3) It's Pikachu's 4,323,252 birthday and he celebrates with a cold one and a birthday balloon at the park as shown below. There's a lovely breeze and he's feeling great. It the string tied to the balloon is approximately weightless. estimate the angle x shown. Start with a FBD on the balloon. .. Air, 10C, p = Py Latex Balloon U=5mls 0.5 m diameter . % Helium filed (T=10C, p = p,) 222 ) Weight of latex only (not "/;' including helium): 20 g