Drag coefficient (C_D)
A dimensionless number characterising the aerodynamic drag force relative to the dynamic pressure and the projectile's cross-sectional area. Varies with Mach number; peaks near Mach 1 in the transonic regime.
A dimensionless number characterising the aerodynamic drag force relative to the dynamic pressure and the projectile's cross-sectional area. Varies with Mach number; peaks near Mach 1 in the transonic regime.
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