Answer:
Speed of wave = 32 ms⁻¹
Step-by-step explanation:
Given data:
Frequency of wave = 4 Hz
Wavelength of wave = 8 m
Speed of wave = ?
Solution:
Formula:
Speed of wave = wavelength × frequency
Now we will put the values.
Speed of wave = 8 m × 4 Hz
Hz = s⁻¹
Speed of wave = 32 ms⁻¹