如图所示,水平光滑地面上依次放置着质量 m = 0.08 kg 的 10 块完全相同的长直木板.一质量 M = 1.0 kg 、大小可忽略的小铜块以初速度 v 0 = 6.0 m/s 从长木板左侧滑上木板,当铜块滑离第一块木板时,速度大小为 v 1 = 4.0 m/s. 铜块最终停在第二块木板上. ( 取 g = 10 m/s 2 ,结果保留两位有效数字 ) 求: (1) 第一块木板的最终速度; (2) 铜块的最终速度。
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