Question

1. what is the amplitude and wavelength of the wave shown below? amplitude: 30 cm; wavelength: 60 cm amplitude: 30 cm; wavelength: 110 cm amplitude: 60 cm; wavelength: 60 cm amplitude: 60 cm; wavelength: 110 cm

Explanation:

Step1: Define amplitude

Amplitude is the maximum displacement from the equilibrium position. From the graph, the maximum value of \(y\) is 30 cm and the minimum is - 30 cm. So the amplitude \(A = 30\) cm.

Step2: Define wavelength

Wavelength is the distance between two consecutive points in phase. Looking at the graph, two consecutive peaks (or troughs) are separated by a distance of 60 cm. So the wavelength \(\lambda=60\) cm.

Answer:

Amplitude: 30 cm; wavelength: 60 cm