Problem 5 (2 Points) The magnetic field of an electromagnetic wave propagating in free space is given by: H(r, θ, t) = 2754sin(6t - kr) = 4 x 10^-7 (H/m), ε₀ = 8.85 x 10^-12 (F/m). Frequency of 109 Hz. Hint: use E = V x H.
Find:
H(r, θ) and H(r, θ, t) value of k.