如图所示在竖直放置的光�半圆弧绝缘细管的圆心o处固定一个点电荷将质量为m带电量为q的小球从圆弧管的水平直径一端a由静止释放小球沿细管� Sketch Coloring Page

如图所示在竖直放置的光�半圆弧绝缘细管的圆心o处固定一个点电荷将质量为m带电量为q的小球从圆弧管的水平直径一端a由静止释放小球沿细管� Template

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sketch #3513

anonymous

anonymous
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Laura Agapi Asnicar
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sketch #3562 Angry by Leon Soria Ricardo

anonymous

anonymous
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anonymous

anonymous
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sketch #2672

Fabio Sala
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sketch #4273

anonymous

anonymous
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sketch #5187

anonymous

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sketch #2770 Maggie by Shuvo Islam

Shuvo Islam
sketch #2770 Maggie by Shuvo Islam

sketch #921 comics ufo

anonymous

anonymous
sketch #921 comics ufo

sketch #3273

anonymous

anonymous
sketch #3273

sketch #4622 Miku by Kheith Ryan Lubiano

anonymous

anonymous
sketch #4622 Miku by Kheith Ryan Lubiano

sketch #690 barco

anonymous

anonymous
sketch #690 barco

sketch #5141

anonymous

anonymous
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sketch #3088 Billy from Saw by Naulian Ciko

anonymous

anonymous
sketch #3088 Billy from Saw by Naulian Ciko

sketch #2808

Luis E. Guvara
sketch #2808

sketch #4306 The burning watermelon!

anonymous

anonymous
sketch #4306 The burning watermelon!

sketch #5061

anonymous

anonymous
sketch #5061

sketch #5369 Wolverine by ShopRasta Roots

anonymous

anonymous
sketch #5369 Wolverine by ShopRasta Roots

sketch #4287 eye

anonymous

anonymous
sketch #4287 eye

sketch #2636 Robitina by sketchmaster

sketchmaster
sketch #2636 Robitina by sketchmaster

sketch #2828 One Direction Szabó Zoltán

Szabó Zoltán
sketch #2828 One Direction Szabó Zoltán

sketch #2976 A girl watches the moon

Laura Agapi Asnicar
sketch #2976 A girl watches the moon

sketch #1068 dançando

anonymous

anonymous
sketch #1068 dançando

sketch #878

Laura Agapi Asnicar
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sketch #5210 I love you by Saul Mansanares

anonymous

anonymous
sketch #5210 I love you by Saul Mansanares

sketch #132

anonymous

anonymous
sketch #132

sketch #5088

anonymous

anonymous
sketch #5088

sketch #4300 República, comunismo, libertad

anonymous

anonymous
sketch #4300 República, comunismo, libertad

sketch #3372 Erza by Konstantin Kuznetsov

anonymous

anonymous
sketch #3372 Erza by Konstantin Kuznetsov

sketch #5184 Walter White by Abdul Ghony

anonymous

anonymous
sketch #5184 Walter White by Abdul Ghony

tomski如图所示在竖直放置的光�半圆弧绝缘细管的圆心o处固定一个点电荷将质量为m带电量为q的小球从圆弧管的水平直径一端a由静止释放小球沿细管� coloring

如图所示光�的圆弧细圆管竖直放置小球m从管口A处的正上方H高处自由下落进入管口后恰能运动到C点若小球从另一高度h处静止释放则它运动到 sketch template

如图所示在竖直放置的光�半圆弧绝缘细管的圆心O处固定一点电荷将质量为m带电量为 q的小球从圆弧管的水平直径端点A由静止释放小球沿细管� sketch template

如图所示光�半圆环轨道处于竖直平面内半圆环与粗糙的水平地面相切于圆环的端点A一质量m=010 Kg的小�块以初速度v0=70 m sketch template

如图所示小球在竖直放置的光�圆形管道内做圆�运动管道内侧壁半径为R小球半径为r当小球以初速度V0从管道最低点出�到最高点时恰好对管道 sketch template

百度教育 sketch template

24．12分如图所示，绝缘光�轨道ABCD竖直放在与水平方�成θ＝45°的匀强电场中，其中BCD部分是半径为R的半圆环，轨道的水平部分与 sketch template

如图所示在竖直放置的光�半圆弧绝缘细管的圆心O处固定一负点电荷将质量为m带电量为 q的小球从圆弧管的水平直径端点A由静止释放小球沿细管 sketch template

百度教育 sketch template

如图所示在竖直放置的光�半圆弧绝缘细管的圆心O处固定一个点电荷将质量为m带电量为q的小球从圆弧管的水平直径一端A由静止释放小球沿细管� sketch template

如图所示BC为半径等于R=042m竖直放置的光�细圆管O为细圆管的圆心BO与竖直线的夹角为45°在圆管的末端C连接一光�水平面水平 sketch template

如图所示半径为R的四分之三光�圆轨道竖直放置CB是竖直直径A点与圆心等高有小球b静止在轨道底部小球a自轨道上方某一高度处由静止释放自 sketch template

如图所示在以O为圆心半径为R的圆形区域内有一个水平方�的匀强磁场磁场的磁感应强度大小为B方�垂直纸面�外竖直平行正对放置的两�属板 sketch template

如图所示竖直放置的光�圆轨道被固定在水平地面上半径r=04m在最低点处有一小球其半径远小于轨道半径r现给小球以水平�右的初速度 sketch template

如图所示在竖直放置的光�半圆弧绝缘细管的圆心O处固定一负点电荷将质量为m带电量为 q的小球从圆弧管的水平直径端点A由静止释放小球沿细管 sketch template

如图所示在竖直放置的光�半圆弧形绝缘细管的圆心O处放一点电荷将质量为m带电荷量为q的小球从圆弧管水平直径的端点A由静止释放当小球沿细管 sketch template

如图1所示在坐标轴Ox放上一个点电荷Q坐标轴上AB两点的坐标分别为20m和50m．在点电荷Q电场中A点放置一个带正电的试探电荷B sketch template

如图所示固定在竖直平面内的绝缘细半圆管轨道在C点与绝缘的水平地面平�连接半圆管的半径R=16m管内壁光�两端口CD连线沿竖直方� sketch template

如图所示在竖直平面内用轻质细线悬挂一个小球将小球拉至A点使细线处于拉直状态然后让小球以初速度v0从A点开始运动不计�擦和空气阻力 sketch template

9．如图30 A 3所示有一个半径为R的绝缘细橡胶圆环均匀带正电Q圆环竖直放置此时圆心处场强为 今在圆环水平直径的左侧切去一小段 sketch template

如图所示竖直圆筒内壁光�半径为R顶部有入口A在A的正下方h处有出口B。一质量为m的小球从入口A沿圆筒壁切线方�水平射入圆筒内要使小球 sketch template

如图所示一个重为G的小球套在竖直放置的半径为R的光�大圆球上一个劲度系数为k原长为L的轻弹簧一端固定在大圆环顶点A另一端与小球相连 sketch template

7．竖直放置的半圆形光�绝缘管道处在如图所示的匀强磁场中B＝11T管道半径R＝08m其直径POQ在竖直线上在管口P处以2m/s的 sketch template

如图所示在竖直放置的内壁光�的绝缘半圆形管的圆心O处固定一点电荷将质量为m电荷量为q的小球从圆弧管的水平直径端点A处由静止释放小球沿细 sketch template

如图1所示轻杆一端固定在O点另一端固定一小球现让小球在竖直平面内做半径为R的圆�运动．小球运动到最高点时杆与小球间弹力大小为F小球在 sketch template

如图所示半径R=04m的光�半圆轨道处于竖直平面内半圆环与粗糙的水平地面相切于圆环的端点A一质量m=01kg的小球以初速度v0=8 sketch template

12．如图所示一个小球从H=12m 高处由静止开始通过光�弧形轨道AB进入半径R=4m的竖直圆环圆环动�擦因数处处相等当小球沿BEC sketch template

如图甲所示轻杆一端固定在O点另一端固定一小球现让小球在竖直平面内做半径为R的圆�运动小球运动到最高点时杆与小球间弹力大小为F小球在 sketch template

如图所示，竖直平面内有一半径为R的半圆形光�绝缘轨道，其底端B与光�绝缘水平轨道相切，整个系统处在竖直�上的匀强电场中，一质量为m，带正电的 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

如图所示在竖直放置的光�半圆弧绝缘细管的圆心O处固定一负点电荷将质量为m带电量为 q的小球从圆弧管的水平直径端点A由静止释放小球沿细管 sketch template

如图所示竖直平面内光�圆轨道半径R=2m从最低点A有一质量为m=1kg的小球开始运动初速度v0方�水平�右重力加速度g取10m/s2 sketch template

$如图所示竖直面内固定的半径为R的光�半圆弧轨道左右端点PQ与圆心在同一水平线上且距地面的高度为$frac{3R}{2}$质量均为 sketch template$

如图所示一光�的半圆形轨道处于竖直平面内并和一粗糙的斜面相接其半径大小为R=04m直径BC在竖直方�上一小物体放在斜面上的A点离 sketch template

如图所示A为一水平旋转的橡胶盘带有大量均匀分布的负电荷在圆盘正上方水平放置一通电直导线当圆盘高速绕中心轴OO′转动时电流方�和转动 sketch template

如图所示半径为R内径很小的光�半圆管竖直放置两个质量均为m的小球AB以不同的速度进入管内．A通过最高点C时对管壁上部压力为3mgB sketch template

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