The answer is actually c hope this helps
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Answer:
Explanation: The field of a magnet is strongest at either pole of the magnet. it's equally strong at the North Pole when put next with the South Pole. The force is weaker within the middle of the magnet and halfway between the pole and also the center.
You can do it in two ways
1) 220-your age
2) <span>206.9-(0.67*your age)
Hope this helped :)</span>
The velocity of the wave is 40 m/s
Explanation:
The relationship between the velocity of a wave and its frequency and wavelength is given by

where
v is the velocity
f is the frequency
is the wavelength
For the ocean wave in this problem, we have:
(wavelength)
f = 4.0 Hz (frequency)
Therefore, its velocity is

Learn more about waves:
brainly.com/question/5354733
brainly.com/question/9077368
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