<h2>
Relationship Between Frequency and Period</h2>
The frequency and the period are inversely proportional.
where T is the period
<h2>Solving the Question</h2>
We're given:
- <em>v</em> = 340 m/s
- <em>f</em> = 1000 Hz
Because the frequency and the period are reciprocals of each other, we can find the period of the sound by finding the reciprocal of the frequency:
<h2>Answer</h2>
Answer:
5010 m
Explanation:
The vertical position of the teacher at time t can be found by using the equation:
where
h is the initial height
is the initial velocity (negative since it's downward)
is the acceleration of gravity
t is the time
The teacher reaches the ground when y = 0, so the equation becomes
Substituting t = 30 s, we find the initial height:
Potential difference is measured using a device called a voltmeter . Just like ammeters, some types have a pointer on a dial, but most have a digital display. However, unlike an ammeter, you must connect the voltmeter in parallel to measure the potential difference across a component in a circuit.
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The answer to your question is (Wave W is being diffracted, Wave X is being reflected, and waves Y and Z are being refracted.)
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