Question

what is the angle at which the sum and resultant of two vectors are same
a) 45° b) 120° c) 60° d) 90°​

Answer 1

b ) 120°  ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎

Answer 2

Answer:

120°

Explanation:

$Resultant = \sqrt{A^{2}+B^{2} +2ABcos$Ф

$R = \sqrt{A^{2}+B\\^{2}+2ABcos$Ф

Since all of them are equal let us assume them to A