Mechanics11/Seite12/Loesung4.8

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b) geg.: D = 25 N/kg x = 20cm = 0.20m m = 0.100kg

ges.: ESPANNRUHE


ESPANNRUHE = 0.5 Dx2 = 0.5 * 25N/m * (0.20m)2 = 0.5J


--LadyHelen 09:03, 22 February 2008 (UTC)


c) Ekin = 0 bei 20 cm Auslenkung.

Ekin = max. bei Ruhelage.


d) [math]v = x_0 \sqrt{D/m}[/math]

[math]v = 0,2 \sqrt{25/0,1}[/math]

[math]v = 3,16 m/s[/math]