Asked by Anonymous
Does 5k cross 2j=-10i or +10i?
Answers
Answered by
Damon
i j k
0 0 5
0 2 0
(0-10) i + (5*0 -0*0)j + (2*0 - 0*0)k
= -10 i
0 0 5
0 2 0
(0-10) i + (5*0 -0*0)j + (2*0 - 0*0)k
= -10 i
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