Question

5. What is the speed of a wave in a spring if it has a wavelength of 10 cm and a period of 0.2s
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Answer 1

Explanation:

speed of wave

v = wavelength x frequency

since frequency is f = 1/Period then

v = wavelength : Period

v = 10 cm/ 0.2 s = 50 cm/s

v = 0.5 m/s