Problem P. 3966. (March 2007)
P. 3966. Two waves of the same amplitude are generated by two pointlike wave sources. The waves are in phase, their frequency is 5 Hz and their speed is 2 m/s. What can you observe at the point which is 40 cm from one of the sources and 60 cm from the other.
(4 pont)
Deadline expired on 11 April 2007.
Statistics:
138 students sent a solution.  
4 points:  103 students. 
3 points:  9 students. 
2 points:  2 students. 
1 point:  2 students. 
0 point:  4 students. 
Unfair, not evaluated:  17 solutions. 
Unfair, not evaluated:  1 solution. 
