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The escape speed from a planet does **not** depend on | StemPy Lab
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The escape speed from a planet does **not** depend on
Physics
Easy
High School (11–12)
Mechanics › Gravitation
Created by
StemPy Lab
The escape speed from a planet does
not
depend on
the height from which it is launched
the planet's radius
the planet's mass
the mass of the body that escapes
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← A planet has the Earth's mass but half its radius. What is its escape speed? (The Earth's is 11.2 km/s.)
Taking zero far away, find the gravitational potential, the energy per kilogram, just at the Earth's surface. (g = 9.8 m/s², R = 6.4 × 10⁶ m.) →
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Mechanics › Gravitation
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Created by StemPy LabCreated by StemPy Lab