natnatwebb
Find the components of a vector u with magnitude 10 and direction angle theta=54 degrees.



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muhammad9t5
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FOR X COMPONENT
Ax=Acosx
where x is angle
for Y COMPONENT
Ay=Asinx

natnatwebb
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So there will be two equations. One to find the Y value and one for the X value.

muhammad9t5
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Yes and these two values are called components.

natnatwebb
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Okay, lemme throw those numbers into a calculator...

natnatwebb
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they're both .5 which isn't anywhere near the right answer...is there another step?

muhammad9t5
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whats the answer of x component?

natnatwebb
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0.58778525229

muhammad9t5
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and what you are getting?

natnatwebb
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thats what I'm getting...did i miss a step?

muhammad9t5
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Whats answer in your book?

natnatwebb
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Oh sorry, \[u _{x}=5.9\]

muhammad9t5
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whatss up?

natnatwebb
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and \[u _{y}=\]

natnatwebb
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8.1

muhammad9t5
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math processing error?

natnatwebb
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I'll go get a different calculator but i dont think so. Give me a second.

natnatwebb
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I still get the same answer.

muhammad9t5
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the answer i am getting for x component is 5.87 and
for y component is 8.09

natnatwebb
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I must be missing a step.

muhammad9t5
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may be you don't multiply 10.

muhammad9t5
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which is A=10

natnatwebb
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yeah missed that part. :) lol well that fixes all the numbers nicely.

natnatwebb
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:D sweet, glad it was such a simple fix. Thanks a lot for your help!

muhammad9t5
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did you get answer?

natnatwebb
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Yup.

muhammad9t5
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You are welcome always!