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Unit 6: Sound Page 28

Exercises

Sound Wave Vibrations

7. If a yo-yo goes up and down 10 times
Section One: in 10 seconds what is its Hertz?

1. What starts waves?

8. If you create a rope wave by moving
your hand up and down twice in one
2. Where is work being done in a wave? second, what’s the Hertz of that wave?

3. With the rope wave, what moved from Section Two:
partner to partner?

1. How does energy move?

4. What is frequency?
2. True or false: the particles in a wave

move from where the wave starts to
where the wave ends up.

5. What is Hertz?

3. What is having work done on it in a

wave?
6. If a swing is vibrating at .5 Hz, how
many times does it go back and forth in
1 second?

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