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Calculating unit vector for velocity

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andykol

Programmer
Jul 31, 2009
3
GB
Hello,
I am trying to calculate unit vector for velocity (vel= (U*Unit vector)/unit vector). But if I consider calculation by angle change e.g. unit vector= cos(theta) at certain angle velocity becomes infinity.
Please inform me if I can calculate unit vector with other method.
Thanks in advance.
 
Not sure what you've attached but it looks like 4 documents when it should be 1.

Are your angles in degrees or radians?
 
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