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dhcuajbfrhcyx
10.03.2020 •
Physics
As your hand moves back and forth to generate longitudinal pulses in a spiral spring, your hand completes 3.19 back-and-forth cycles every 8.46 s. The velocity of the pulse in the spring is 0.6 cm/s. What is the wavelength
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Ответ:
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.
= 0.377 vibrations
Hence, frequency (f) = 0.38 Hz
Now, formula to calculate the speed is as follows.
v =![f \times \lambda](/tpl/images/0540/0250/28b0b.png)
or,
=![\frac{0.6 cm/s}{0.38}](/tpl/images/0540/0250/4b27a.png)
= 1.57 cm
Thus, we can conclude that the wavelength is 1.57 cm.
Ответ:
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Explanation:
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