Question

Suppose you have two vectors A=5i,  and B=4j. What is the cross product R=A*B Question 6 options:...

Suppose you have two vectors A=5i,  and B=4j. What is the cross product R=A*B

Question 6 options:

20k

20j.

9k

20i

0 0
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Answer #1
  • 20 k.

Note- cross product uses right hand rule curling fingers from initial direction of final direction then thumb points along resultant direction.

i.e. cross product of 'I' and 'j' would result in 'k'

So, A×B = 5i× 4j

A×B = 20 k.

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