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GLC-FE-100LX-RGD SFP-10G-ER SFP-10G-ER SFP-10G-ER-S= SFP-10GG-ZR GLC-FE-T-I= SFP module, You can get more details about GLC-FE-100LX-RGD SFP-10G-ER SFP-10G-ER SFP-10G-ER-S= SFP-10GG-ZR GLC-FE-T-I= SFP module from mobile site on Alibaba.com
如图所示,长为L、质量为M的木板静置在光滑的水平面上,在木板上放置一质量为m的物块,物块与木板之间的动摩擦因素为μ.物块以v0从木板的左端向右滑动时,若木板固定不动时,物块恰好能从木板的右端滑下.若木板不固定时,下面叙述正确的是 ( ) A. 物块不能从木板的右端滑下 B. 对系统来说产生的热量Q=μmgL...