Posted by Sam on Wednesday, February 29, 2012 at 5:15pm.
Determine the scalar product of A= 3.0i + 1.0j  2.0k and B= 3.0i  2.0j  3.0k .

PHYSICS!! SOS  bobpursley, Wednesday, February 29, 2012 at 5:33pm
take the dot product...
remember i dot i is 1, j dot j is 1, k dot k is 1, whereas any of the ij, jk, ki dot products is zero.
I will start you.
A dot B= 3i dot 3i + 1j dot(2j) + ....
A.B=9+(2)+ ...
then add them
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