Summersnow8
  • Summersnow8
Did I solve this correctly? Find the x- and y-component (round to the nearest 10th) of a vector with magnitude 15 m and direction 105°. Sin 105 = X/15 → X = 15 * Sin 105 = 14.5 Cos 105 = y/15 → Y= 15 * Cos 105 = -3.9
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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johnweldon1993
  • johnweldon1993
Hmm, well I would assume |dw:1436397571213:dw|
Summersnow8
  • Summersnow8
wouldn't x be a negative number because it is in the 2nd quadrant instead of y?
Summersnow8
  • Summersnow8
then how come that is not what I got then....?

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radar
  • radar
Don't you have your X and Y mixed up......isn't the Y = 15 Sin theta
Summersnow8
  • Summersnow8
no X is Cos
radar
  • radar
Yes x is Cos and Y is Sin
Summersnow8
  • Summersnow8
my bad, I got mixed up, so it's -3.9, 14.5
johnweldon1993
  • johnweldon1993
|dw:1436398054020:dw|
johnweldon1993
  • johnweldon1993
And yes with your correct rounding
Summersnow8
  • Summersnow8
so i would put a - sign in front of the 3.9?
johnweldon1993
  • johnweldon1993
Right. Your 'x' component is the -3.9 and the 'y' component is the 14.5

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