由BB弹枪发射的不同材质同径球形弹丸的比动能差异研究
陈六一1, 刘墨2, 仇祯昱3

Differences of the Specific Kinetic Energy of Material-various but Diameter-identical Globose Projectiles Shot by BB Guns
CHEN Liuyi1, LIU Mo2, QIU Zhenyu3
3种弹丸在射击距离为30cm时的速度、动能和比动能关系图