Physics, asked by rajankavi1156, 1 year ago

When is the magnitude of the resultant of two vectors equal to either of them?

Answers

Answered by huzurali453

1

when the angle between the two vectors is 120°

how ?

see.

let the two vectors be a and a so resultant

r= √a^2+a^2+2a^2cos*

solve this you will find

cos*= -1/2

*= 120°

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