anonymous
  • anonymous
What formulas do I use to solve this? Two forces with magnitudes of 150 and 75 pounds act on an object at angles of 30° and 150° respectively. Find the direction and magnitude of the resultant force. Round to two decimal places in all intermediate steps and in your final answer.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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jim_thompson5910
  • jim_thompson5910
|dw:1435122895115:dw|
jim_thompson5910
  • jim_thompson5910
|dw:1435122957801:dw|
jim_thompson5910
  • jim_thompson5910
|dw:1435123082458:dw|

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jim_thompson5910
  • jim_thompson5910
does the drawing make sense so far?
anonymous
  • anonymous
Yes
jim_thompson5910
  • jim_thompson5910
you have 2 vectors vector A: r = 150 theta = 30 degrees vector B r = 75 theta = 150 degrees
jim_thompson5910
  • jim_thompson5910
what I would do is find the component form of each vector use x = r*cos(theta) y = r*sin(theta)
jim_thompson5910
  • jim_thompson5910
tell me what you get for each form
anonymous
  • anonymous
x = 129.9 y = 75/2
jim_thompson5910
  • jim_thompson5910
this is for vector A right?
anonymous
  • anonymous
The two sides of a triangle are 17cm and 28cm long. and the length of the median drawn to the third side is equal to 19.5cm. Find the distance from an endpoint of this median to the longest side. HELP
jim_thompson5910
  • jim_thompson5910
I'm getting A = <129.90381, 75>
jim_thompson5910
  • jim_thompson5910
did you get the same?

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