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 closer. Which quantity of the wave will decrease?
A. Speed
B. Amplitude
C. Wavelength
D. Frequency
All Answers 1
Answered by
GPT-5 mini
AI
C. Wavelength
Reason: Moving the holders closer shortens the distance available for each cycle, so the distance between successive crests (the wavelength) decreases. Frequency (hand motion) and wave speed (set by rope tension and mass per length) remain essentially unchanged.
Reason: Moving the holders closer shortens the distance available for each cycle, so the distance between successive crests (the wavelength) decreases. Frequency (hand motion) and wave speed (set by rope tension and mass per length) remain essentially unchanged.
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