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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More Sketches

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

sketch #3676 Sceptical horse by Koes Maung

anonymous

anonymous
sketch #3676 Sceptical horse by Koes Maung

sketch #3483 Ginger

Sarah Nila
sketch #3483 Ginger

sketch #3154

anonymous

anonymous
sketch #3154

sketch #4388 Homer and the Cherry

anonymous

anonymous
sketch #4388 Homer and the Cherry

sketch #2058

Raisa Mahmud
sketch #2058

sketch #3226 Goth Face

anonymous

anonymous
sketch #3226 Goth Face

sketch #137

Chris Shrimp Lonsdale
sketch #137

sketch #1711

anonymous

anonymous
sketch #1711

sketch #1131 nərgiz

anonymous

anonymous
sketch #1131 nərgiz

sketch #3810

anonymous

anonymous
sketch #3810

sketch #921 comics ufo

anonymous

anonymous
sketch #921 comics ufo

sketch #3599 Lovely pencil face

anonymous

anonymous
sketch #3599 Lovely pencil face

sketch #1452 donara

Donara Smbatyan
sketch #1452 donara

sketch #5220

anonymous

anonymous
sketch #5220

sketch #4869 Madara by Jean-Benoit Renaud

anonymous

anonymous
sketch #4869 Madara by Jean-Benoit Renaud

sketch #3000

anonymous

anonymous
sketch #3000

sketch #5039

anonymous

anonymous
sketch #5039

sketch #4769 Finn and Jake by Neo Ʀazor

anonymous

anonymous
sketch #4769 Finn and Jake by Neo Ʀazor

sketch #4821 Johnny M. by Z Ionut Ady

anonymous

anonymous
sketch #4821 Johnny M. by Z Ionut Ady

sketch #5018 Owl by Komlós László

anonymous

anonymous
sketch #5018 Owl by Komlós László

sketch #2747

Cody Brandoon
sketch #2747

sketch #2645 Flowers in window

Rachel Roe
sketch #2645 Flowers in window

sketch #4896

anonymous

anonymous
sketch #4896

sketch #4953 Bird by Ervin Haxhija

anonymous

anonymous
sketch #4953 Bird by Ervin Haxhija

sketch #5176

anonymous

anonymous
sketch #5176

sketch #4479

Hank Henry Armstrong
sketch #4479

sketch #2017 HEYOO

anonymous

anonymous
sketch #2017 HEYOO

sketch #3620 Dude by Arasheel Eomseii

anonymous

anonymous
sketch #3620 Dude by Arasheel Eomseii

sketch #5435

anonymous

anonymous
sketch #5435

sketch #3285 Spongebob by Abbie Hayman

anonymous

anonymous
sketch #3285 Spongebob by Abbie Hayman

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

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

百度教育 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

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

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

百度教育 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13－24所示，一半径为r的非常小的圆环，在初始时刻与一半径为r’（r’》r的很大的圆环共面而且同心，今在大环 上学吧找答案 sketch template

如图所示半径为 r电阻不计的两个半圆形光�导轨并列竖直放置导轨端口所在平面刚好水平．在轨道左上方端点MN 间接有阻值为R 的小电珠 sketch template

如图所示固定的半圆弧形光�轨道置于水平方�的勻强电场和匀强磁场中轨道圆弧半径为R磁感应强度为B方�垂直于纸面�外电场强度为 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

如图所示ab为竖直平面内的半圆环acb的水平直径c为环上最低点环半径为R．将一个小球从a点以初速度v0沿ab方�抛出设重力加速度为g sketch template

题目一半径为R的圆筒的横截面如图所示其圆心为0筒内有垂直于纸面�里的匀强磁场磁感应强度为未知质量为m电荷量为 Q的粒子以速度 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}$的小球 sketch template$

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半径为r的硬橡胶圆环其上带有均匀分布的正电荷单位长度的电量为q其圆心O处的合场强为零现截去圆环顶部的一小段ABAB=l则 sketch template

如图所示在一个半径为R的圆形区域内存在着匀强磁场磁场方�垂直于圆面�里一个带电粒子从磁场边界的A点以指�圆心O的方�进入磁场区域内粒子 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的圆环均匀带电单位长度的电荷量为λ圆心在O点过圆心与环面垂直的轴线上有P点PO=r．以无穷远为电势零点则关于P点的 sketch template

例1 如图1 1 1所示一质点沿半径为 r=20 Cm的圆�自A点出�逆时针方�经过3/4圆�到达B点求质点的位移和路程．解析质点 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

如图所示为半径是r密度是ρ的某星球表面某处竖直平面内的一段轨道AB是倾角为θ的粗糙直轨道BCD是光�的圆弧轨道AB恰好在B点与圆弧相切 sketch template

如图所示半径为R的细圆管内壁光�竖直放置一质量为m直径略小于管径的小球可在管内自由�动测得小球在管顶部时与管壁的作用力大小为mgg为 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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

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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半径为r电阻不计的两个半圆形光�导轨并列竖直放置在轨道左上方端点MN间接有阻值为R的小灯泡整个轨道处在磁感应强度为B的匀强 sketch template

百度教育 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

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

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