What will be the direction of the given vector below: j x -i. Tip: Use the right hand ruleGroup of answer choicesj0ik
Question
What will be the direction of the given vector below: j x -i. Tip: Use the right hand ruleGroup of answer choicesj0ik
Solution
To find the direction of the cross product of two vectors, we use the right-hand rule. Here are the steps:
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First, align the index finger of your right hand with the first vector, which is j (or the positive y-direction).
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Then, curl your fingers towards the second vector, which is -i (or the negative x-direction).
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Your thumb now points in the direction of the cross product. In this case, it points downwards, or in the negative z-direction.
So, the direction of the cross product j x -i is -k.
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