kuCAu

2021-08-18

Find the scalar product of the two vectors A and B.

Find the angle between these two vectors.

$A=-2.00\u0131+6.00\u0237{\textstyle \phantom{\rule{1em}{0ex}}}\text{and}{\textstyle \phantom{\rule{1em}{0ex}}}B=2.00\u0131-3.00\u0237$

Find the angle between these two vectors.

coffentw

Skilled2021-08-19Added 103 answers

Remember that the scalar product is just what you get when you multiply the like "components" together and then add them up. Hence

To calculate the angle between two vectors, we use the formula

Solving for

We already have A⋅B, so we just need to calculate the lengths of A and B.

Therefore

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