Physics, asked by ranisan6m4aKom, 1 year ago

What is the angle between the two vectors A= 3i^+4j^+5k^ and B= 3i^+4j^-5k^?

Answers

Answered by kvnmurty

10

|A| = 5 √2
| B | = 5 √2

dot product = 9+16 - 25 = 0

so the vectors A and B are perpendicular.

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