If `P+Q=R and |P|=|Q|= sqrt(3) and |R| ==3 ,` then the angle between P and Q is

If vec P+ vec Q = vec R and |vec P| = |vec Q| = | vec R| , then angle between vec P and vec Q is

Given that P 12, Q = 5 and R = 13 also P+Q=R, then the angle between P and Q will be

Given that P 12, Q = 5 and R = 13 also P+Q=R, then the angle between P and Q will be

Three forces P, Q and R are acting on a particel in the plane, the angle between P and Q and that between Q and R are 150^(@) and 120^(@) respectively. Then for equilibrium, forces P, Q and R are in the ratio

Three forces P, Q and R are acting on a particel in the plane, the angle between P and Q and that between Q and R are 150^(@) and 120^(@) respectively. Then for equilibrium, forces P, Q and R are in the ratio

Three forces P, Q and R are acting on a particel in the plane, the angle between P and Q and that between Q and R are 150^(@) and 120^(@) respectively. Then for equilibrium, forces P, Q and R are in the ratio

The resultant of two forces P and Q makes an angle of 30^(@) with P. What is the angle between P and Q, if the magnitude of the resultant is equal to Q sqrt(3) ?

Three vectors vec(P) , vec(Q) and vec( R) are such that |vec(P)| , |vec(Q )|, |vec(R )| = sqrt(2) |vec(P)| and vec(P) + vec(Q) + vec(R ) = 0 . The angle between vec(P) and vec(Q) , vec(Q) and vec(R ) and vec(P) and vec(R ) are