物理力学！！！！！Two particles of mass 0.3Kg and 0.5Kg are connected by a light inextensible string passing over a smoooth rail. The particles are released from rest with the string taut and vertical except where it is in contact with the reail. Calclate the velo
2019-06-21
物理力学！！！！！
Two particles of mass 0.3Kg and 0.5Kg are connected by a light inextensible string passing over a smoooth rail. The particles are released from rest with the string taut and vertical except where it is in contact with the reail. Calclate the velocity of the particles wafter they have moved 1.3 meters