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Sedbober [7]
3 years ago
15

To measure one wavelength, you would measure the distance between?

Physics
2 answers:
makvit [3.9K]3 years ago
8 0

A and B, one wavelength is crest too crest


DIA [1.3K]3 years ago
8 0

Answer: A and B

Explanation: The wavelength is defined as the distance between two consecutive equivalent points in the wave. (two consecutive crests, two consecutive valleys, etc)

This would be in the graph the distance between the points A and B, or between E and F.

Then the right answer between the given ones is the fourth: A and B.

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A machine is rolling a metal cylinder under pressure. The radius of the cylinder is decreasing at a constant rate of 0.05 inches
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Because the volume is constant, we can plug it into the formula for the volume of the cylinder and rearrange it to make h the subject:
128 = πr²h
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Now we differentiate both sides:
dh/dr = -256/πr³
Applying the chain rule:
dh/dt = dh/dr x dr/dt
dh/dt = (-256/πr³) x -0.05
dh/dt = 64/5πr³; substituting the value of r
dh/dt = 64/5π(1.5)³
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3 years ago
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mrs_skeptik [129]

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5070

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