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Answer:
To find the amplitude, wavelength, period, and frequency of a sinusoidal wave, write down the wave function in the form y(x,t)=Asin(kx−ωt+ϕ).
The amplitude can be read straight from the equation and is equal to A.
The period of the wave can be derived from the angular frequency (T=2πω).
Answer: The person above me is absolutely correct!
Explanation: The formula for calculating amplitude of a wave is:
x = displacement of wave (meter)
A = amplitude
ω = Angular frequency (rad/s)
t = Time period
ϕ = Phase angle
Happy to help, if I did!