Non-Circular Orbits (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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Type of orbit comets have
Type of orbit comets have
Highly elliptical or hyperbolic
Type of orbit planets have
Type of orbit planets have
Nearly circular
What does elliptical mean for orbits?
What does elliptical mean for orbits?
Stretched out
Comet speed when approaching Sun
Comet speed when approaching Sun
Speeds up
Comet speed when moving away from Sun
Comet speed when moving away from Sun
Slows down
Energy lost by comet approaching Sun
Energy lost by comet approaching Sun
Gravitational potential energy
Energy gained by comet approaching Sun
Energy gained by comet approaching Sun
Kinetic energy
Effect when comet passes close to Sun
Effect when comet passes close to Sun
Slingshot effect
What does slingshot effect do to comet?
What does slingshot effect do to comet?
Propels comet back into space
Do comets orbit in same plane as planets?
Do comets orbit in same plane as planets?
No, different orbital planes
Are comet orbits stable?
Are comet orbits stable?
Yes, stable and repeating
Why does comet speed up near Sun?
Why does comet speed up near Sun?
Loses GPE, gains KE