P. 4013. By what percentage the gravitational force of the Earth is smaller at the height where the International Space Station orbits than at the surface of the Earth?
Deadline expired on 11 December 2007.
Statistics on problem P. 4013. 243 students sent a solution.
3 points:196 students.
2 points:26 students.
1 point:12 students.
0 point:4 students.
Unfair, not evaluated:4 solutions.
Unfair, not evaluated:1 solution.