如何计算Terminal Velocity
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Terminal velocity is the maximum speed reached by a falling object when air drag equals gravitational force. Different objects reach different terminal velocities.
分步指南
- 1Enter mass, drag coefficient, reference area, and fluid density
- 2The calculator applies F_drag = F_gravity at equilibrium
- 3Results show terminal velocity
例题解析
输入
m = 75 kg human, C_d = 1.15, A = 0.5 m² (head down)
结果
V_terminal ≈ 90 m/s (322 km/h)
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常见错误注意事项
- ✕Confusing terminal velocity with escape velocity
- ✕Using incorrect drag coefficient for object shape
常见问题
Does terminal velocity depend on height fallen?
No, once terminal velocity is reached, speed remains constant regardless of further fall distance.
Can terminal velocity be exceeded?
Not in normal circumstances; acceleration becomes zero at terminal velocity. Powered descent can be faster.
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