PROBLEMS FOR THE IYPT 2007
Important: the problems were intended for the IYPT and may be subject of copyright
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1. Filament
There is a significant current surge when a filament lamp is first switched on. Propose a theoretical model
and investigate it experimentally.
2. Slinky
Suspend a Slinky vertically and let it fall freely. Investigate the characteristics of the Slinky's free-fall motion.
3. Water jets.
What can be observed when two water jets collide at different angles?
4. Spring thread
Pull a thread through the button holes
as shown in the picture. The button can
be put into rotating motion by pulling the
thread. One can feel some elasticity of
the thread. Explain the elastic properties
of such a system.
5. Razor Blade
A razor blade is placed gently on a water surface. A charged body brought near the razor makes it move
away. Describe the motion of the razor if a
2006-11-09
07:35:03
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3 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Physics