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OpenStudy (anonymous):
In the rectangle OABC, Vector i and vector J are unit vectors where vector I is in the direction of OA and vector J is in the direction of OC. OA = 4 and OC = 5 Find the vector expressions for OA, OB, BC, and CA in terms of Vector i and vector j Find unit vectors in the direction of OB, CA, and CO and express these unit vectors in terms of i and J
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OpenStudy (anonymous):
OA = 4i What is OB?
OpenStudy (anonymous):
Sorry OC?
OpenStudy (turingtest):
|dw:1346964639868:dw|is this drawing correct?
OpenStudy (anonymous):
Notice that OB=OA + OC
OpenStudy (anonymous):
BC =-CB =-OA
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OpenStudy (anonymous):
CA =CO+OA
OpenStudy (anonymous):
Can you finish it?
OpenStudy (anonymous):
What is unit vectors? and vector expressions
OpenStudy (anonymous):
that is drawn right
OpenStudy (turingtest):
a unit vector is a vector of length 1
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OpenStudy (turingtest):
i and j point in the positive x and y respectively and each have length 1
OpenStudy (anonymous):
can you give an example?
OpenStudy (turingtest):
|dw:1346965202375:dw|
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