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notka56 [123]
1 year ago
11

What is the wavelength of a wave that has a speed of 350 meters/second and a frequency of 140 hertz?

Physics
1 answer:
sergey [27]1 year ago
3 0

Answer:2.5m

Explanation:

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A person walks first at a constant speed of 5.50 m/s along a straight line from point A to point B and then back along the line
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Answer:

4.25 m/s

Explanation:

They walked the first distance at 5.50 m/s, then the same distance at 3 m/s.

Since the distances are equal, the average speed is simply the average of 5.50 and 3.

(5.50 + 3) / 2 = 4.25

Her average speed over the entire trip is 4.25 m/s.

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A light-year measures the _______ that light travels in 1 year.
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If you were trying to describe the difference between power and work you could say...?
Paha777 [63]

Answer:

Look to the explanation

Explanation:

<u><em>Work done</em></u> is  is the energy transferred to or from an object by means

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Work is positive if energy transferred to the object, and  work is

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W=F*s

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<em>Power = work done ÷ time taken</em>

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Is there a graph we can look at?
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