Problem P. 3815. (September 2005)
P. 3815. A car travels at a speed of 12 km/h towards south for five minutes, then it turns toward east and moves at a speed of 25 m/s for 3 minutes, and finally it changes its velocity to 108 km/h and travels toward north-east for two minutes. Calculate the length of its displacement and the average speed.
(3 pont)
Deadline expired on October 11, 2005.
Statistics:
450 students sent a solution. 3 points: 261 students. 2 points: 98 students. 1 point: 65 students. 0 point: 19 students. Unfair, not evaluated: 7 solutionss.
Problems in Physics of KöMaL, September 2005