资讯

A tangent to a circle at point P is a straight line that touches the circle at P. The tangent is perpendicular to the radius which joins the centre of the circle to the point P. As the tangent is a ...
IN this volume the vector equation of mass acceleration commonly known as Newton's laws is applied to the “law of areas,” the problems of harmonic and oscillatory motion, the brachistochrone, motion ...
A tangent to a circle at point P is a straight line that touches the circle at P. The tangent is perpendicular to the radius which joins the centre of the circle to the point P. As the tangent is a ...