Question 1
which of the following statements is a valid hypothesis for the work we are a...
![Physics](/tpl/images/cats/fizika.png)
Question 1
which of the following statements is a valid hypothesis for the work we are about to do?
if we change the frequency of the string vibration, then the length of the string allowed to vibrate will change
if we change the length of the string allowed to vibrate, then the frequency (and pitch) of the string vibration will change.
if we change the tension of the string allowed to vibrate, then the frequency (and pitch) of the string vibration will change.
if we use an oscilloscope, then the frequency (and pitch) of the string vibration will change.
question 2
the frequency of the 15.0cm string is how many times higher than the frequency of the 30.0cm string?
4
3
2
1
question 5
will the long bars or the short bars on a xylophone play higher-pitched sounds?
long bars
short bars
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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