Asked by Bob

The angle between two force a and b vectors is 114o. The scalar projection of is –

13 N. Determine the magnitude of b.


Can the magnitude be a negative number?
Answered by Bob
will the answer to this question be a positive number?
Answered by Damon
no, the magnitude is not negative. The cosine of 114 is negative.
-.407

|a| |b| cos 114 = -13
need to know |a| to get |b|
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