Hibbeler 12-231

1. The problem statement, all variables and given/known data
Attached

2. Relevant equations
Attached

3. The attempt at a solution
Attached. Couple of questions/confirmations:

it should be vbcos(45)i – vbsin(45)j, but this is the same thing as cos(45)=sin(45)
vb should be directed at B
How do you solve equations 1 and 2? Trial and error?
vb/r will always be 5m/s in this case?

Attached Images
File Type: png Hibbeler 12-231.png (105.5 KB)

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