Answer:
50.4 Hz
Step-by-step explanation:
A = amplitude of the wave = 5 cm = 0.05 m
μ = linear mass density = 0.04 kg/m
P = maximum power delivered by source = 275 Watt
T = tension force in the string = 121 N
Speed of the wave is given as


= 55 m/s
maximum power is given as


= 50.4 Hz