Ask Me Help Desk - You make a spring wave with a wavelength of 1.5m. You Shake the spring with a frequen

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You make a spring wave with a wavelength of 1.5m. You Shake the spring with a frequen

You make a spring wave with a wavelength of 1.5m. You Shake the spring with a frequency of 2hz. The speed of the wave is

(you have to slove it or fill in the blank I don't get it T.T HELP)

$v = f \cdot \lambda$

so $\lambda$ = 1.5 m and since $f = 2 Hz$

$\therefore v = 1.5 \cdot 2 = 3 m/s$

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