Bounding ball set全反彈與非反彈球
全套反彈與非反彈球各 6個, 外表一樣, 直徑均 25mm , 全反彈球反彈率可達100%, 非反彈球反彈達0%,
讓學生認識什麼是Elastic , 什麼是Inelastic collision. Study Elastic & inelastic collision effect, a set of 6 ball , diameter 25mm , elastic 100% rebound, inelastic 0% rebound.
Item No: JP 110-790