Problem P. 4759. (October 2015)
P. 4759. What should the angle between two forces be, if the magnitude of their sum is the same as the geometric mean of the magnitudes of the forces? Under what conditions will this angle be minimum, and what is this minimum value?
(4 pont)
Deadline expired on 10 November 2015.
Statistics:
111 students sent a solution.  
4 points:  67 students. 
3 points:  13 students. 
2 points:  17 students. 
1 point:  4 students. 
0 point:  7 students. 
Unfair, not evaluated:  2 solutions. 
Unfair, not evaluated:  1 solution. 
