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# Physics help still needed

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4) In a coordinate system, the magnitude of the x component of a vector
and , the angle between the vector and x-axis, are known. The
magnitude of the vector equals the x component

a. divided by the cosine of .
b. divided by the sine of .
c. multiplied by the cosine of .
d. multiplied by the sine of .

Jul 21, 2019
edited by BLANK  Jul 21, 2019

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Jul 21, 2019
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Jul 21, 2019
#3
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Whats missing? That is the entire question on the summer assignment.

BLANK  Jul 21, 2019
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It may show on your computer, but no one else can see it.

This is what we see:

4) In a coordinate system, the magnitude of the x component of a vector
and , the angle between the vector and x-axis, are known. The
magnitude of the vector equals the x component

a. divided by the cosine of .
b. divided by the sine of .
c. multiplied by the cosine of .
d. multiplied by the sine of .

Guest Jul 21, 2019
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The x component will be given by

magnitude * cos (theta) = x component

so

Magnitude = (x component) / (cos theta)

Jul 21, 2019
edited by ElectricPavlov  Jul 21, 2019
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i dont get it electric pavlov

Jul 23, 2019
edited by travisio  Jul 23, 2019