Question

In: Physics

The diagram below shows two vectors, A and B, and their angles relative to the coordinate...

The diagram below shows two vectors, A and B, and their angles relative to the coordinate axes as indicated.
DATA: α= 47.5o β= 60.8o |A| = 5.7 cm. The vector A - B is parallel to the -x axis (points due West). Calculate the y-component of vector B.

find y-component of B

find x-component of (A-B)

find magnitude of A+B

Solutions

Expert Solution

Given |A|=5,7cm,  

Firstly, the diagram of the problem is-

Now, since A-B is parallel to -x axis, hence (A-B)y=0By=Ay

Now, we know |B|, and hence, we can find every part now-

By=|B|sin60.8o=4.202cm

|A-B|x=Ax-Bx= -5.7cos47.5o-(-4.81cos60.8o)=-1.5cm

|A+B|x=Ax+Bx=-5.7cos47.5o-4.81cos60.8o=-6.20cm

|A+B|y=Ay+By=5.7sin47.5o+4.81sin60.8o=8.40cm

Hence,


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