chapter 4 Find the resultant (magnitude and direction 0degrees) thefollowing vec

Question

chapter 4 Find the resultant (magnitude and direction 0degrees) thefollowing vector:(140m at 11degrees)
(200m at 162degrees)(259m at 220degrees).. I did this: cos(11)=0.981627183447                sin(140)=0.642787609686 Once I did that I divided them into each other to get theanwer: 1.527140798336 is my anwer I did this for all three. please let me no what im doing wrong and please show me how udid it thank u. chapter 4 Find the resultant (magnitude and direction 0degrees) thefollowing vector:(140m at 11degrees)
(200m at 162degrees)(259m at 220degrees).. I did this: cos(11)=0.981627183447                sin(140)=0.642787609686 Once I did that I divided them into each other to get theanwer: 1.527140798336 is my anwer I did this for all three. please let me no what im doing wrong and please show me how udid it thank u.

Explanation / Answer

A1x = 140 cos(11), A1y = 140 sin(11) A2x = 200 cos(162), A2y = 200 sin(162) A3x = 259 cos(220), A3y = 259 sin(220) A = Ai Ax = A1x + A2x+ A3x = -251.2 m Ay = A1y + A2y+ A3y = -78.0 m magnitude A = (Ax2 +Ay2) = 263 m angle = 180o + arctan(Ay/Ax) =197o

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