Escape Velocity
v = sqrt(2·G·M / r)
What it says
The minimum speed needed to escape the gravitational pull of a mass M starting from distance r without further propulsion.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
v | Escape velocity (m/s) | L T^-1 |
M | Central mass (kg) | M |
r | Distance from center (m) | L |
G | Gravitational constant (6.67430e-11 N·m^2/kg^2) | M^-1 L^3 T^-2 |
Work it out
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Connects to
Filed under Mechanics · derive through it in the explorer