How do you compute the dot product for $6j*4k$ ?

Question

2152 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-07-01T11:42:50

0

#6j=0i+6j+0k=(0, 6 0) and 4k=0i+9j+4k=(0 0 4)

The dot product (a1 a2 a3).(b1 b2 b3)=((a1)(b1)+(a2)(b2)+(a3)(b3).

Here, $6j.4k$

=(0 6 0).(0 0 4)

=(0)(0)+((6)(0)+(0)(4)

$=0$ .

How do you compute the dot product for 6j*4k6j*4k?