Orbital and Escape Velocity
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These flashcards cover key concepts of orbital and escape velocity, including definitions, specific velocities for various planets, and the formula for calculating escape velocity.
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12 Terms
Orbital Velocity
The velocity needed for a satellite to remain in orbit around an object.
Earth's Orbital Velocity
30 km/s or 67,000 miles/hour.
Escape Velocity
The minimum velocity required for an object to escape the gravitational pull of another object.
Formula for Escape Velocity
Ve = √(2GM/r), where G is the gravitational constant and M is the mass of the object.
Gravitational Constant (G)
6.67 x 10^-11, a key constant used in calculating gravitational forces.
Mercury's Orbital Velocity
47.4 km/s.
Venus' Orbital Velocity
35.0 km/s.
Mars' Orbital Velocity
24.1 km/s.
Jupiter's Orbital Velocity
13.1 km/s.
Saturn's Orbital Velocity
9.7 km/s.
Uranus' Orbital Velocity
6.8 km/s.
Neptune's Orbital Velocity
4.7 km/s.
