A). period is time
b). amplitude can be almost anything that waves . . . length, voltage, pressure, current etc.
But not hertz.
c). frequency ... "oftenness ... reciprocal time. the only item on this list that CAN be measured in Hertz.
d). wavelength ... length units
False because currents do not flow easily through insulators. If it only said conductors, then it would be true.
The approximate length of the arc intersected by the central angle is 20.94 inches.
The given parameters:
- <em>Radius of the circle, r = 10 inches</em>
- <em>Central angle, </em>
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The approximate length of the arc intersected by the central angle is calculated as follows;
S = rθ
where;
- <em>S is the length of the arc</em>
Substitute the given parameters and solve for the length of the arc
Thus, the approximate length of the arc intersected by the central angle is 20.94 inches.
<em>Your question is not complete, find the complete question below:</em>
A circle has a radius of 10 inches. Find the approximate length of the arc intersected by a central angle of 
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Learn more about length of arc here: brainly.com/question/2005046
Remember the rule of thumb that every person learns in Elementary Science? You must do multiple experiments in order to get to a conclusion. In order for a conclusion to be valid you must test the conclusion multiple times. You wouldn't want a doctor to just test an aspirin 1 time on 1 patient and say yes it works correct? No, you would want him/her to test on multiple patients in multiple settings and conditions so that when you take an aspirin you know that it will work for what you are taking it for. So ..... with all that being said.....Your answer is (A). The results are more likely to have errors.
