Question

Boleh minta bantuan no.3

Answer 1

Dik:
λ = 2 m
t = 2 s
4 rapatan dan 4 regangan = n = 4
Dit:
v?

Jawab:
f = n/t
= 4/2
= 2

v = λ × f
= 2 × 2
= 4 m/s

Jdi cepat rambat gelombangnya 4 m/s yang D


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