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Grade: 12th pass
        
15. If the resultant of two vectors each of magnitude F is also of magnitude F, the angle between them will be _ degrees
(A) 30
(B) 60
(C) 90
(D) 120
one year ago

Answers : (1)

Khimraj
3008 Points
							
By vector resultant formula
F = [F2 +F2 + 2F*Fcos\Theta]1/2
F2 = 2F2(1+cos\Theta)
cos\Theta = -1/2
\Theta = 120.
Hope it clears. If you like answer then please approve it.
one year ago
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