20．如图所示半径为r的导体圆环位于纸面内o为圆心．环内两个圆心角为90°的扇形区域内分别有匀强磁场两磁场的磁感应强度的大小均为b方� Sketch Coloring Page

20．如图所示半径为r的导体圆环位于纸面内o为圆心．环内两个圆心角为90°的扇形区域内分别有匀强磁场两磁场的磁感应强度的大小均为b方� Template

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Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #3637

anonymous

anonymous
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Nujie C Nobita
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sketchmaster
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sketch #5361 Emma Watson by Glynis June Williams

anonymous

anonymous
sketch #5361 Emma Watson by Glynis June Williams

sketch #5181

anonymous

anonymous
sketch #5181

sketch #2856 Merry Christmas from Melany Campano Laos Komlós László

anonymous

anonymous
sketch #2856 Merry Christmas from Melany Campano Laos Komlós László

sketch #1385 fingerschpitsengeful

anonymous

anonymous
sketch #1385 fingerschpitsengeful

sketch #2744 Burce Lee by Karim Tayyeby

Karim Tayyeby
sketch #2744 Burce Lee by Karim Tayyeby

sketch #2646 Buzzy bee on flowers

Rachel Roe
sketch #2646 Buzzy bee on flowers

sketch #3538

anonymous

anonymous
sketch #3538

sketch #5258 Adventure Time by Kheith Ryan Lubiano

anonymous

anonymous
sketch #5258 Adventure Time by Kheith Ryan Lubiano

sketch #5175

anonymous

anonymous
sketch #5175

sketch #4053

anonymous

anonymous
sketch #4053

sketch #1289 peace within

anonymous

anonymous
sketch #1289 peace within

sketch #5187

anonymous

anonymous
sketch #5187

sketch #2055 Flower

Raisa Mahmud
sketch #2055 Flower

sketch #5350

anonymous

anonymous
sketch #5350

sketch #1119 crimson

anonymous

anonymous
sketch #1119 crimson

sketch #2895 Hulk by Dmitry Cherepanin

anonymous

anonymous
sketch #2895 Hulk by Dmitry Cherepanin

sketch #5232 Avril by Teresa Temacha

anonymous

anonymous
sketch #5232 Avril by Teresa Temacha

sketch #5091 The Red Lady by অনন্ত জলিল

anonymous

anonymous
sketch #5091 The Red Lady by অনন্ত জলিল

sketch #334 DON 'T!

anonymous

anonymous
sketch #334 DON 'T!

sketch #3489 Panda by Scott Terry

anonymous

anonymous
sketch #3489 Panda by Scott Terry

sketch #894 hmmm

anonymous

anonymous
sketch #894 hmmm

sketch #4232 Tobirama by Kadi Kader

anonymous

anonymous
sketch #4232 Tobirama by Kadi Kader

sketch #5227

anonymous

anonymous
sketch #5227

sketch #5177

anonymous

anonymous
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sketch #5093 Pedro Henrique Jordan Coquet

anonymous

anonymous
sketch #5093 Pedro Henrique Jordan Coquet

sketch #1439

Donara Smbatyan
sketch #1439

sketch #5207 Gorilla by Jean-Benoit Renaud

anonymous

anonymous
sketch #5207 Gorilla by Jean-Benoit Renaud

tomski20．如图所示半径为r的导体圆环位于纸面内o为圆心．环内两个圆心角为90°的扇形区域内分别有匀强磁场两磁场的磁感应强度的大小均为b方� coloring

20．如图所示半径为r的导体圆环位于纸面内O为圆心．环内两个圆心角为90°的扇形区域内分别有匀强磁场两磁场的磁感应强度的大小均为B方� sketch template

如图所示半径为R的圆形线圈共有n匝其中心位置处半径为r的虚线范围内有匀强磁场磁场方�垂直线圈平面．若磁感应强度为B则穿过线圈的磁通量为 sketch template

百度教育 sketch template

如图所示在竖直平面内有一边界半径为R的圆形匀强磁场区域磁感应强度为B方�垂直纸面�里．一质量为m电量为q的负点电荷从圆边缘的P点沿直径 sketch template

如图一个圆环外圆的半径为R内圆的半径为r．1写出圆环面积计算公式2当R=1525cmr=525cm时求圆环面积．题目和 sketch template

如图所示半径为R的圆形区域内有垂直于纸面�里的匀强磁场．重力不计电荷量一定的带电粒子以速度v正对着圆心O射入磁场若粒子射入射出磁场点间 sketch template

如图所示，半径为R的圆形区域内有随时间变化的匀强磁场，磁感应强度B随时间t均匀增加的变化率为kk为常数，t=0时的磁感应强度为B 0，B的 sketch template

如图所示半径为R单位长度电阻为λ的均匀导体圆环固定在水平面上圆环中心为O．匀强磁场垂直水平面方��下磁感强度为B．平行于直径MON的 sketch template

如图所示，两个同心的均匀带电球面，内球面半径为R1、带电荷Q1，外球面半径为R2、带电荷Q2 。设无穷远处为电势零点，则在两个球面之间、距离 sketch template

如图所示在竖直平面内有一半径为R的圆弧轨道半径OA水平OB竖直一个质量为m的小球自A的正上方P点由静止开始自由下落小球沿轨道到达最高 sketch template

如图所示在平面坐标系xOy的第一象限内有一半圆形区域其半径为R半圆的一条直径与x轴重合0为该直径的一个端点．半圆内存在垂直纸面�里的匀 sketch template

20．如图所示半径为r的导体圆环位于纸面内O为圆心．环内两个圆心角为90°的扇形区域内分别有匀强磁场两磁场的磁感应强度的大小均为B方� 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AB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3mgB sketch template

如图所示，从一质量为M、半径为2R的均匀球体的球心O处挖出一半径为R的小球，将其移至两球面相距R处，已知引力常量为G，则大球剩余部分和小球间的 sketch template

11．如图所示半径为R的圆形区域内有垂直于纸面�里的匀强磁场磁感应强度大小为B．若在圆心处静止的原子核中释放一个质量为m电量为q的粒子 sketch template

如图所示，竖直平面内固定一个半径为R的刚性光�绝缘圆环。在圆环的最顶端固定一个电荷量为q的小球，另一个质量为m带负电的小圆环套在大圆环上，当小 sketch template

百度教育 sketch template

半径为r的圆轮，沿固定直线轨道作纯滚动，如图所示。在图示位置时，轮心具有速度vC，加速度aC，方�均�右。则该瞬上学吧找答案 sketch template

如图所示，从一质量为M、半径为2R的均匀球体的球心O处挖出一半径为R的小球，将其移至两球面相距R处，已知引力常量为G，则大球剩余部分和小球间的 sketch template

百度教育 sketch template

3．一种玩具的结构如图所示竖直放置的光�铁圆环的半径为R=20cm环上有一个穿孔的小球m仅能沿环作无�擦�动如果圆环绕着通过环心的竖直 sketch template

如图所示半径为R的圆盘匀速转动在距半径高度h处以平行OB方�水平抛出一小球抛出瞬间小球的初速度与OB方�平行为使小球和圆盘只碰撞一次且 sketch template

如图所示半径为R的圆轮在竖直面内绕O轴匀速转动轮上ab两点与O点的连线相互垂直ab两点均粘有一小物体当a点转至最低位置时ab sketch template

如图所示有一个质量为M半径为R密度均匀的大球体从中挖去一个半径为R／2的小球体并在空腔中心放置一质量为m的质点则大球体的剩余部分对 sketch template

$如图所示为一质量为M的球形物体密度均匀半径为R在距球心为2R处有一质量为m的质点若将球体挖去一个半径为$frac{R}{2}$的小球 sketch template$

如图所示某质点沿半径为r的圆弧由a点运动到b点则它通过的位移和路程分别是 A．00B．2r�东πrC．r�东πrD．2r� sketch template

百度教育 sketch template

如图所示两个单匝线圈ab的半径分别为r和2r．圆形匀强磁场B的边缘恰好与a线圈重合则穿过ab两线圈的磁通量之比为 A．11B．1 sketch template

百度教育 sketch template

如图所示半径为R的竖直光�半圆形轨道BC与光�水平地面AB相切于B点弹簧左端固定在竖直墙壁上用一质量为m有小球紧靠弹簧并�左压缩弹簧 sketch template

如图所示带负电的粒子垂直磁场方�进入圆形匀强磁场区域出磁场时速度偏离原方�60°角已知带电粒子质量为m电量为q速度为v0磁场区域的 sketch template

如图1所示某质点沿半径为r的半圆弧由a点运动到b点则它通过的位移和路程分别是 A 0O B 2r�东πr C r�东 sketch template

百度教育 sketch template

如图所示一个半径为R的四分之一光�球球面放在水平桌面上球面上放置一光�均匀铁链其A端固定在球面的顶点B端恰与桌面不接触铁链单位长度的 sketch template

如图所示在真空中半径为r的圆形区域内有一匀强磁场方�垂直纸面�里一带正电粒子以v0的初速度从A点沿半径方�射入磁场飞出磁场时的速度方� sketch template

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