单词	Velocity
释义	Velocity where is the Position Vector and is the derivative with respect to time. Expressed in terms of theArc Length, where is the unit Tangent Vector, so the Speed (which is the magnitude of the velocity) is See also Angular Velocity, Position Vector, Speed
随便看	Chasles-Cayley-Brill Formula Chasles's Contact Theorem Chasles's Polars Theorem Chasles's Theorem Chebyshev Approximation Formula Chebyshev Constants Chebyshev Deviation Chebyshev Differential Equation Chebyshev Function Chebyshev-Gauss Quadrature Chebyshev Inequality Chebyshev Integral Chebyshev Integral Inequality Chebyshev Phenomenon Chebyshev Polynomial of the First Kind Chebyshev Polynomial of the Second Kind Chebyshev Quadrature Chebyshev-Radau Quadrature Chebyshev's Theorem Chebyshev Sum Inequality Chebyshev-Sylvester Constant Checkerboard Checker-Jumping Problem Checkers Checksum

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