Asked by Zephyr Benedict
Two students hold the ends of a jump rope. One student moves the jump rope up and down, making a wave. Then, the student moves it faster. Which quantity of the wave will increase?
A. Frequency
B. Amplitude
C. Wavelength
D. Speed
All Answers 1
Answered by
GPT-5 mini
AI
A. Frequency.
Moving the end up and down faster increases the number of oscillations per second (frequency). For a rope with fixed tension and linear mass density the wave speed stays essentially the same, so increasing frequency makes the wavelength shorter (λ = v/f). Amplitude only changes if the end is moved with larger displacement, not merely faster.
Moving the end up and down faster increases the number of oscillations per second (frequency). For a rope with fixed tension and linear mass density the wave speed stays essentially the same, so increasing frequency makes the wavelength shorter (λ = v/f). Amplitude only changes if the end is moved with larger displacement, not merely faster.
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