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alexgriva [62]
3 years ago
15

As your hand moves back and forth to generate longitudinal pulses in a spiral spring, your hand completes 3.19 back-and-forth cy

cles every 8.46 s. The velocity of the pulse in the spring is 0.6 cm/s. What is the wavelength
Physics
1 answer:
lesantik [10]3 years ago
3 0

Explanation:

Since, it is given that one hand completes 3.19 vibrations in 8.46 sec. Therefore, in one second the number of vibrations will be as follows.

              \frac{3.19}{8.46}

                = 0.377 vibrations

Hence,  frequency (f) = 0.38 Hz

Now, formula to calculate the speed is as follows.

               v = f \times \lambda

or,        \lambda = \frac{v}{f}                  

                = \frac{0.6 cm/s}{0.38}

                = 1.57 cm

Thus, we can conclude that the wavelength is 1.57 cm.

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