Problem P. 4076. (May 2008)
P. 4076. There is 1 litre water in a 2-l pot, the base of which has an area of 1 dm2. How much work is done if a high cylinder shaped glass of cross section 0.5 dm2 is pushed down to the bottom of the pot. The glass has negligible mass and its base is below.
Deadline expired on June 11, 2008.
91 students sent a solution. 4 points: 70 students. 3 points: 1 student. 1 point: 4 students. 0 point: 16 students.