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Peter Gerwinski
ad
Commits
ccc37c52
Commit
ccc37c52
authored
Jul 12, 2018
by
Peter Gerwinski
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Notizen und Tafelbild 12.7.2018
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4c19d363
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Korrekturen zum Tafelbild:
lambda_g
v(t) = - ---------- * \int ... dt
m
--> Das m im Nenner ist ebenfalls ein m(t),
gehört also nicht vor, sondern in das Integral.
Max. Höhe mit Energieerhaltung:
Abwwurf: nur E_kin
höchster Punkt:
Die E_kin in z-Richtung hat sich komplett in E_pot umgewandelt.
Die E_kin in x-Richtung ist unverändert geblieben.
--> E_pot am höchsten Punkt = E_kin in z-Richtung am Anfang = 1/2 m v_0z^2
Ergebnis:
- Kurve: Geschwindigkeit in Abhängigkeit von der Zeit
Ausblick:
- Rakete startet senkrecht nach oben
Schwerkraft -g zieht sie herunter
- Rakete startet schräg von Planetenoberfläche
Schwerkraft proportional zu 1/r² zieht sie zum Planetenmittelpunkt
Mögliche Szenarien: Absturz zur Oberfläche, Umlaufbahn, Verlassen des Planeten
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