物块沿倾角为θ的斜坡向上滑动。当物块的初速度为v时,上升的最大高度为H,如图所示;当物块的初速度为<img src='https://img2.soutiyun.com/shangxueba/ask/18813001-18816000/18815274/2015112615412792289.jpg' />时,上升的最大高度记为h。重力加速度大小为g。物块与斜坡间的动摩擦因数和h分别为()

<img src='https://img2.soutiyun.com/shangxueba/ask/18813001-18816000/18815274/2015112615414211647.jpg' /> A. ['['tanθ和<img src='https://img2.soutiyun.com/shangxueba/ask/18813001-18816000/18815274/2015112615415254001.jpg' /> B.<img src='https://img2.soutiyun.com/shangxueba/ask/18813001-18816000/18815274/2015112615421356232.jpg' />tanθ和<img src='https://img2.soutiyun.com/shangxueba/ask/18813001-18816000/18815274/2015112615415254001.jpg' /> C. tanθ和<img src='https://img2.soutiyun.com/shangxueba/ask/18813001-18816000/18815274/2015112615422475517.jpg' /> D.<img src='https://img2.soutiyun.com/shangxueba/ask/18813001-18816000/18815274/2015112615421356232.jpg' />tanθ和<img src='https://img2.soutiyun.com/shangxueba/ask/18813001-18816000/18815274/2015112615422475517.jpg' />

时间:2023-08-31 17:18:43

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