A uniform stretched string has tension 100 N and linear mass density 4×10⁻² kg/m. If the transverse wave speed is N m/s, find N.

Question

G1 Physics · Accepted Answer

Wave speed is v = √(T/μ). Substitute T = 100 N, μ = 4×10⁻² kg/m. Thus, v = √[100/(4×10⁻²)] = √2500 = 50 m/s. Hence, N = 50.