A measurement method of impact energy is proposed for the situations of perfect elastic collision and completely inelastic collision. 提出完全弹性碰撞和完全非弹性碰撞情况下冲击能测量原理。
By solving the nonlinear dynamic differential equations in perfect elastic collision process between a ball and a bar rotating about a fixed axis, this paper deals with the transformation of the kinetic energy and the potential energy of compressive deformation in the collision process. 通过求解球与定轴转动杆完全弹性碰撞过程的非线性动力学微分方程组,研究了碰撞过程中动能与压缩变形能之间的相互转换。
A simple method of derivation of relativistic momentum formula by perfect elastic collision 用弹性碰撞推导相对论公式一简法