English Információ A lap Pontverseny Cikkek Hírek Fórum

Rendelje meg a KöMaL-t!

VersenyVizsga portál

Kísérletek.hu

Matematika oktatási portál

P. 3916. A small ball is thrown from a height of 1 m, and 2 m away from a vertical wall. The ball bounces on the ground and on the vertical wall totally elastically and then it flies back to its initial position of throwing. Find the initial speed of the ball if it was thrown at an angle of 45o with the horizontal. (Air drag can be neglected).

(5 points)

Deadline expired on 13 November 2006.

Statistics on problem P. 3916.
 121 students sent a solution. 5 points: Balogh Máté, Csató Bertalan, Danka Miklós András, Karsa Anita, Nyíri Dávid Ákos, Szilágyi Zsombor, Szőke Nóra, Tüzes Dániel, Varga Bonbien, Werner Miklós. 4 points: 48 students. 3 points: 17 students. 2 points: 19 students. 1 point: 21 students. 0 point: 2 students. Unfair, not evaluated: 3 solutions. Unfair, not evaluated: 1 solution.

• Problems in Physics of KöMaL, October 2006

•  Támogatóink: Morgan Stanley