Problem P. 4267. (September 2010)
P. 4267. The original length of a spring is 25 cm. It elongates 2 cm if a force of 1 N is exerted on it. A container is filled with water and one end of the spring is fixed 30 cm above the surface of the water in the container. A wooden block of mass 32 g and of density 0.4 g/cm3 is hanged onto the other end of the spring. The height of the block is 5 cm. To what depth does the block emerges into the water?
Deadline expired on 11 October 2010.
Sorry, the solution is available only in Hungarian. Google translation
Megoldás. Kb. 0,5 cm mélyen.
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