8. Centripetal Forces & Gravitation
Energy of Elliptical Orbits
8. Centripetal Forces & Gravitation
Energy of Elliptical Orbits - Video Tutorials & Practice Problems
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concept
Speed and Energy of Elliptical Orbits
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2
Problem
ProblemPluto travels in a fairly elliptical orbit around the Sun. At its closest distance of km, its orbital speed is 6.12 km/s. At its farthest, its orbital speed reduces to just 3.71 km/s. How far is it from the Sun at this point (in km)?
A
km
B
km
C
km
D
km
3
example
Comet Traveling Around the Sun
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4
concept
Energy Conservation in Changing Elliptical Orbits
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8mPlay a video:
5
Problem
ProblemA comet is in a highly elliptical orbit around the Sun with a period of 2400 years. If this comet has a mass of approximately kg, what is the total energy of its orbit?
A
J
B
J
C
J
D
J
6
example
Changing from a Elliptical to Circular Orbit
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