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Foucault's Pendulum

Foucault's Pendulum | Foucault's pendulum at Ellinogermaniki Agogi | Questions-Exercises
It is well known that a pendulum's oscillation will eventually come to an end due to air resistance and friction. Some modern versions of Foucault's pendulum in order to preserve the oscillation are equipped with an electromagnet which helps to counteract the forces of friction and air resistance.
The pendulum at Ellinogermaniki Agogi has such an electromagnet placed underneath the pendulum at the center of the disk. The electromagnet does not move the pendulum it only gives a slight "push" every 24 oscillations through an electromagnetic pulse providing recouping all energy losses due to friction and air resistance. This way the period of the pendulum remains constant and the pendulum never stops oscillating.
 Technical Characteristics of the pendulum at Ellinogermaniki Agogi
 Bob mass 61kg
 Bob diameter 246mm
 Bob material Steel
 Cord mass 65gr/m
 Cord length 7.8m
 Oscillation Period 5.6sec
 Twist Period 221.64 degrees/day
0.154d degrees/minute
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Schoolbooks for the Ministry
Teachers of Ellinogermaniki Agogi have authored the official schoolbooks for Science in the 5th and 6th Grade of Primary School, and for German in High School.
In school year 2006-2007, state-of-the-art, high-standard new school premises for all levels of education started their operation in Pallini.
Εξετάσεις γερμανικής γλώσσας
Διεξαγωγή εξετάσεων
FIT 1 και FIT 2
του Ινστιτούτου Goethe στην Ελληνογερμανική Αγωγή.