Physics, asked by TbiaSupreme, 1 year ago

Find the angle between the vectors A and B if | A + B | = | A - B |

Answers

Answered by niraj1222002
5

Hallo friend.   | A+B | = underoot A^2 +B^2 + 2ABCOS 90 degree   Since cos 90 = 0   | A + B | = underoot A^2 +B^2  Now ,   | A - B | = underoot A^2 +B^2 -2ABCOS 90 degree.   |A-B| = underoot A^2 +B^2   HENCE   theta will be 90 degree.  

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