Question

Tolong bantu jawab soal fisika​

Answer 1

Jawaban:

B. θ = 1,5π radian

Penjelasan:

1,25 λ = 5

λ = 5/1,25 = 4 m

Fase gelombang

φ = t/T - x/λ

φ = 1/0,5 - 5/4

φ = 2 - 5/4 = 3/4

Sudut Fase

θ = 2π. φ = 2π. 3/4

θ = 3π/2 = 1,5π radian