1 Answer

Rune Vikestad · Answer 1 · 2019-11-15T16:36:44+0000

Answer:The speed is 54 mm/s, the units are mm/s.

Step-by-step explanation:

1) Data:

a) λ = 6mm
b) f = 9 Hz = 9 s⁻¹
c) v = ?

2) Formula:

wave equation: v = f × λ

3) Solution:

v = 9 s⁻¹ × 6mm

v = 54 mm/s

The speed is 54 mm/s, the units are mm/s.

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