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emmainna [20.7K]
3 years ago
10

State the name in words and the symbol for the following:

Physics
1 answer:
BartSMP [9]3 years ago
3 0

Answer:

<h2>Kilometer (km) and micrometer (um) respectively</h2>

Explanation:

<h3>One thousand meters is equal to one kilometer represented as km. </h3>

and

<h3>One thousandth of a meter mean 1/1000 m which implies one thousands part of a meter which is equal to micro meter and represented as um.</h3>
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On the wavelength

Explanation:

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Find the value of F1 + F2 + F3.<br>​
Dovator [93]

Answer:

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The given values correspond to forces, we must remember or take into account that the forces are vector quantities, that is, they have magnitude and direction. Since we have two X-Y coordinate axes (two-dimensional), we are going to decompose each of the forces into the X & y components.

<u>For F₁</u>

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<u />F_{x}=-1*sin(60)\\F_{x}=-0.866[N]\\F_{y}=1*cos(60)\\F_{y}=0.5 [N]<u />

Now we can sum each one of the forces in the given axes:

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F=\sqrt{(0.134)^{2} +(0.77)^{2}}\\F= 0.78[N]

8 0
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