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12．如图所示轻弹簧的一端固定于地面另一端自由一小球由高处下落碰到弹簧后继续压缩弹簧当把弹簧压缩到最短时小球的加速度a和重力加速度 Template






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sketch 1226 the man
sketch 3513
sketch 2598
sketch 5219 Zayn Malik by Amila Madhushanaka
sketch 5288
sketch 3539 Octo by Aristo A. Kadir
sketch 828 Were Fools
sketch 5172 Cheshire Cat by Juan Garcia

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sketch 5184 Walter White by Abdul Ghony
sketch 4436 Bob Marley by Luiza Irma
sketch 3483 Ginger
sketch 5135 &#;Hypno Colorfull&#; by Lars Tunebo
sketch 5339
sketch 124 saurez
sketch 5027
sketch 4769 Finn and Jake by Neo Ʀazor





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tomski12．如图所示轻弹簧的一端固定于地面另一端自由一小球由高处下落碰到弹簧后继续压缩弹簧当把弹簧压缩到最短时小球的加速度a和重力加速度 coloring
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12．如图所示轻弹簧的一端固定于地面另一端自由一小球由高处下落碰到弹簧后继续压缩弹簧当把弹簧压缩到最短时小球的加速度a和重力加速度 sketch template
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如图所示轻弹簧一端固定在竖直墙上的P点弹簧与竖直墙面的夹角为30°另一端系在质量为m的块上．块静止在倾角为30°的粗糙斜面上则 sketch template
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小明在老师的指导下用小球和弹簧等器材进行了如下实验与探究不考空气阻力。让小球从某高度处由静止开始下落到竖直放置的轻弹簧上如图甲在刚 sketch template
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如图1所示一根轻质弹簧上端固定在天花板上下端挂一小球弹簧处于原长时小球位于O点．将小球从O点由静止释放小球沿竖直方在OP之间做往复 sketch template
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如图所示轻弹簧一端与竖直墙壁连接另一端与一个质量为m的木块连接放在光的水平面上弹簧的劲度系数为k处于自然状态现用一水平力F缓慢拉 sketch template
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如图所示一轻弹簧的左端固定右端与一小球相连小球处于光水平面上现对小球施加一个方水平右的恒力F使小球从静止开始运动则小球在右 sketch template
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如图所示一轻质弹簧一端固定在竖直墙上另一端放一个可视为质点的质量为m小物块A．当弹簧处于原长时小物块A处在O点现使轻弹簧压缩x0至M点 sketch template
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如图所示轻弹簧的劲度系数为k小球的质量为m平衡时小球在A位置．今用力F将小球下压缩x至B位置．则此时弹簧的弹力大小为 A．mgB sketch template
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如图所示在倾角为θ的光斜面上有一轻质弹簧其一端固定在斜面下端的挡板上另一端与质量为m的物体接触物体静止时弹簧被压缩了x0．现用力F sketch template
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9．如图所示四个完全相同的轻弹簧都处于水平位置它们的右端受到大小均为F的作用而左端情况各不相同 中弹簧的左端固定在墙上中弹簧的 sketch template
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10．如图所示 一轻质弹簧竖直放置 下端固定在水平面上 上端处于a 位置当一重球放在弹簧上端静止时 弹簧上端被压缩到b位置现将重球 sketch template
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如图所示在倾角为30°的光斜面上一劲度系数为k的轻质弹簧一端固定在固定挡板C上另一端连接一质量为m的物体A 轻细绳通过定轮一端系 sketch template
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如图所示轻弹簧的一端与物块P相连另一端固定在木板上．先将木板水平放置并使弹簧处于拉伸状态．缓慢抬起木板的右端使倾角逐渐增大直至物块P sketch template
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12．如图所示两弹簧质量不计劲度系数分别为K1K2它们 的两端一端固定在质量为m的物体上另一端固定在PQ 当物体平衡时上面弹簧 sketch template
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如图所示，轻质弹簧竖直放置，下端固定于地面，上端位于O点时弹簧恰好不生形变，现将一小球放在弹簧上端，再用力下把小球压至图中A位置后由静止 sketch template
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如图所示一轻弹簧竖直固定在水平地面上弹簧正上方有一个小球自由下落．从小球接触弹簧上端O点到将弹簧压缩到最短的过程中小球的加速度a随时间t sketch template
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如图所示轻弹簧竖直固定在水平地面上弹簧的劲度系数为k原长为L0质量为m的铁球由弹簧的正上方H高处自由下落．忽略小球与弹簧碰撞过程中机械 sketch template
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如图所示一竖直放置的轻弹簧下端固定在水平地面上质量为m的小球从弹簧正上方高为h处自由下落到弹簧上端A然后压缩弹簧到最低点C若小球放在 sketch template
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如图所示质量为m的物体A系于两根轻弹簧l1l2上l1的一端悬挂在天花板上C点与竖直方夹角为θl2水平拉直左端固定于墙上B点物体 sketch template
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如图所示物体P放在粗糙水平面上左边用一根轻弹簧与竖直墙相连物体静止时弹簧的长度大于原长若再用一个从0开始逐渐增大的水平力F右拉P sketch template
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如图所示一轻弹簧直立于水平地面上质量为m的小球从距离弹簧上端B点h高处的A点自由下落在C点处小球速度达到最大．x0表示BC两点之间的 sketch template
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4．如图所示物体放在轻弹簧上沿竖直方在AB之间做简谐运动物体沿DC方由D点运动到C点DC两点未在图上标出的过程中弹簧的弹性 sketch template
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10．如图6–2所示一个轻弹簧竖直固定在地面上在它的正上方H高处有一个铁球自由下落落到弹簧上后将弹簧压缩．如果分别从H1和H2H1 sketch template
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如图所示质量为m的质点与三根相同的螺旋形轻弹簧相连．静止时弹簧c沿竖直方相邻两弹簧间的夹角均为120°．已知弹簧ab对质点的作用力 sketch template
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如图所示一轻弹簧的左端固定右端与一小球相连小球处于光水平面上现对小球施加一个方水平右的恒力F使小球从静止开始运动．则小球在右 sketch template
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如图所示质量m1=2kg的物体A与一劲度系数为k=500N/m的轻弹簧相连弹簧的另一端与地面上的质量为m2=1kg的物体B相连弹簧竖起 sketch template
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如图所示质量为m的小球被水平绳AO和与竖直方成θ角的轻弹簧系着处于静止状态现用火将绳AO烧断在绳AO烧断的瞬间下列说法正确的是 sketch template
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如图所示，在水平地面上固定一竖直轻弹簧，弹簧的劲度系数为k，原长为L。质量为m的小球由弹簧的正上方h高处自由下落，与弹簧接触后压缩弹簧，当弹簧 sketch template
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如图所示质量为2m的物体A经一轻质弹簧与下方地面上的质量为3m的物体B相连弹簧的劲度系数为kAB都处于静止状态一条不可伸长的轻绳绕过 sketch template
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如图所示一质量为m的小球固定于轻质弹簧的一端弹簧的另一端固定于O点处将小球拉至A处弹簧恰好无形变由静止释放小球它运动到O点正下方B sketch template
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如图所示竖立在水平地面上的轻弹簧下端固定在地面上将一个属球放置在弹簧顶端并下压球使弹簧压缩用细线把弹簧栓牢如图a．烧断细线 sketch template
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如图所示轻弹簧竖直固定在水平地面上弹簧的劲度系数为k原长为L0质量为m的铁球由弹簧的正上方H高处自由下落．忽略小球与弹簧碰撞过程中机械 sketch template
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如图所示一根轻弹簧竖直直立在水平地面上下端固定在弹簧的正上方有一个物块物块从高处自由下落到弹簧上端O将弹簧压缩弹簧被压缩了x0时 sketch template
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16．如图所示用轻弹簧竖直悬挂质量为m的物体静止时弹簧的伸长量为L现把该弹簧上端固定在一升降机的上顶板下端与一质量为2m小球相连设在 sketch template
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如图所示与轻弹簧相连的物体A停放在光的水平面上．物体B沿水平方右运动跟与A相连的轻弹簧相碰．在B跟弹簧相碰后对于AB和轻弹簧组成 sketch template