11.5 23.9° 72.1° 18.9

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what is vector C in this case? 

y
11.5
23.9
72.1°
18.9
There are two vectors shown in the previous figure. The red vector, vector A, has a
magnitude of 11.5 and makes a 23.9° angle with +x. The other purple vector, vector
B, has a magnitude of 18.9 and makes a 72.1° angle with-x. Determine the sum of
the two vectors (A+B) by indicating its magnitude and direction.
Problem 2
Determine the vector C, such that when it is added to vector A (the red vector in the
previous figure), the resultant vector only has a negative y component and its
magnitude is 10.
Transcribed Image Text:y 11.5 23.9 72.1° 18.9 There are two vectors shown in the previous figure. The red vector, vector A, has a magnitude of 11.5 and makes a 23.9° angle with +x. The other purple vector, vector B, has a magnitude of 18.9 and makes a 72.1° angle with-x. Determine the sum of the two vectors (A+B) by indicating its magnitude and direction. Problem 2 Determine the vector C, such that when it is added to vector A (the red vector in the previous figure), the resultant vector only has a negative y component and its magnitude is 10.
Expert Solution
Step 1

The vector components are overlaid on the figure below,

Advanced Physics homework question answer, step 1, image 1

 

So the vector A can be written as,

A=11.5cos23.9°i + 11.5cos23.9°jA=10.51i + 4.66j                 (1)

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