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Calculate the Period and the Wave Velocity of a Toy Spring (part 1) · Physics Playground

Exercises Oscillations, waves and sound

Example from Physics, 13.2 Wave Properties: Speed, Amplitude, Frequency, and Period

Calculate the Period and the Wave Velocity of a Toy Spring (part 1)

The woman in Figure 13.3 creates two waves every second by shaking the toy spring up and down. (a)What is the period of each wave? (b) If each wave travels 0.9 meters after one complete wave cycle, what is the velocity of wave propagation?

Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.

Strategy for (a)
To find the period, we solve for $T = \frac{1}{f}$ , given the value of the frequency $(f = 2 s^{- 1}).$
Solution
Solution for (a)

Enter the known value into $T = \frac{1}{f}$

$T = \frac{1}{2 s^{−1}} = 0. 5 s .$
13.6

0 of 2 steps open

How did it go?

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From Physics (1st edition) by OpenStax (Rice University), section 13.2, licensed under CC BY 4.0. Original at openstax.org. We split the solution into steps; the words, numbers and figures are the book's. OpenStax doesn't endorse this site.

Strategy for (a)

Solution