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1、2014 年高考物理试卷及解析14在法拉第时代，下列验证“由磁产生电”设想的实验中，能观察到感应电流的是 A 将绕在磁铁上的线圈与电流表组成一闭合回路，然后观察电流表的变化 B.在一通电线圈旁放置一连有电流表的闭合线圈，然后观察电流表的变化C.将一房间内的线圈两端与相邻房间的电流表连接，往线圈中插入条形磁铁后，再到相邻房间去观察电流的变化。D绕在同一铁环上的两个线圈，分别接电源和电流表，在给线圈通电或断电的瞬间，观察电流表的变化15 题.关于通电直导线在匀强磁场中所受的安培力，下列说法正确的是A 安培力的方向可以不垂直于直导线B 安培力的方向总是垂直于磁场的方向C 安培力的的大小与通电直导线和
2、磁场方向的夹角无关D 将直导线从中点折成直角，安培力的大小一定变为原来的一半16如图，MN 为铝质薄平板，铝板上方和下方分别有垂直于图平面的匀强磁场（未画出）。一带电粒子从紧贴铝板上表面的P点垂直于铝板向上射出，从Q点穿越铝板后到达PQ的中点 O。已知粒子穿越铝板时，其动能损失一半，速度方向和电荷量不变。不计重力，铝板上方和下方的磁感应强度大小之比为 A 2 B.C.1 D.17.如图，用橡皮筋将一小球悬挂在小车的架子上，系统处于平衡状态，现使小车从静止开始向左加速，加速度从零开始逐渐增大到某一值，然后保持此值，小球稳定地偏离竖直方向某一角度（橡皮筋在弹性限度内）。与稳定在竖直位置时相比，小球
3、的高度 A.一定升高 B.一定降低 C.保持不变 D.升高或降低由橡皮筋的劲度系数决定18.如图（a），线圈 ab、cd 绕在同一软铁芯上，在ab 线圈中通以变化的电流，用示波器测得线圈 cd 间电压如图（b）所示。已知线圈内部的磁场与流经线圈的电流成正比，则下列描述线圈 ab 中电流随时间变化关系的图中，可能正确的是19.太阳系各行星几乎在同一平面内沿同一方向绕太阳做圆周运动，20.且三者几乎排成一条直线的现象，天文学称为“行星冲日”。据报道，2014 年各行星冲日时间分别是：1 月 6日木星冲日；4 月 9 日火星冲日；5 月 11 日土星冲日；8 月 29 日海王星冲日；10 月 8日天
4、王星冲日。已知地球及各地外行星绕太阳运动的轨道半径如下表所示，则下列说法正确的是地球火星木星土星天王星海王星轨道半径（AU）1.0 1.5 5.2 9.5 19 30 A.各地外行星每年都会出现冲日现象B在 2015 年内一定会出现木星冲日C天王星相邻两次冲日的时间间隔为土星的一半D.地外行星中，海王星相邻两次冲日的时间间隔最短20.如图，两个质量均为m的小木块a 和 b（可视为质点）放在水平圆盘上，a 与转轴 OO 的距离为l，b 与转轴的距离为2l，木块与圆盘的最大静摩擦力为木块所受重力的k 倍，重力加速度大小为g。若圆盘从静止开始绕转轴缓慢地加速转到，用 表示圆盘转到的角速度，下列说法正
5、确的是A.b 一定比 a 先开始滑动Ba、b 所受的摩擦力始终相等C，是 b 开始滑动的临界角速度D当时，a 所受摩擦力的大小为kmg 21.如图，在正点电荷Q的电场中有M、N、P、F 四点，M、N、P为直角三角形的三个顶点，F为 MN的中点，M=300.有 M、N、P、F四点处的电势分别用M、N、P、F 表示。已知M=N，P=F，点电荷 Q在 M、N、P三点所在平面内，则A点电荷Q一定在 MP的连线上B.连接 PF的连线一定在同一等势面上C将正试探电荷从P点搬运到N点，电场力做负功DP 大于M22.某同学利用图(a)所示实验装置及数字化信息系统获得了小车加速度a与钩码的质量m 的对应关系图，
6、如图(b)所示。实验中小车(含发射器)的质量为200g，实验时选择了不可伸长的轻质细绳和轻定滑轮，小车的加速度由位移传感器及与之相连的计算机得到。回答下列问题：(1)根据该同学的结果，小车的加速度与钩码的质量成_(填“线性”或“非线性”)关系。(2)由图(b)可知，a-m 图线不经过原点，可能的原因是_。(3)若利用本实验装置来验证“在小车质量不变的情况下，小车的加速度与作用力成正比”的结论，并直接以钩码所受重力mg 作为小车受到的合外力，则实验中应采取的改进措施是_，钩码的质量应满足的条件是_。文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:C
7、K8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:
8、CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码
9、:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编
10、码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档
11、编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文
12、档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2
13、文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N2文档编码:CK8D4G7P10E6 HQ6E4N4B7V6 ZA10P10Z2K6N223.利用如图(a)所示电路，可以测量电源电动势和内阻，所利用的实验器材有：待测电源，电阻箱 R(最大阻值999.9)电阻 R0(阻值为 3.0)，电阻 R1(阻值为 3
14、.0)，电流表A(量程为 200mA，内阻为RA=6.0)，开关 S。实验步骤如下：将电阻箱阻值调到最大，闭合开关S；多次调节电阻箱，记下电流表的示数I 和电阻箱相应的阻值R;以 为纵坐标，R 为横坐标，作图线（用直线拟合）求出直线的斜率k，和在纵坐标的截距b。回答下列问题：(1)分别用 E 和 r 表示电源的电动势和内阻，则1/I 与 R 的关系式为 _。(2)实验得到的部分数据如下表所示，其中电阻R=3.0时电流表的示数如图(b)所示，读出数据，完成下表。答：_，_。(3)在答题卡图(c)的坐标纸上所缺数据点补充完整并作图，根据图线书得斜率k=_，截距 b=_。AR1RR0S 文档编码:C
15、W1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 H
16、Z4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH
17、9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码
18、:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9
19、 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5
20、ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档
21、编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1(4)根据图线求得电源电动势E=_V，内阻 r=_。24公路上行驶的两辆汽车之间应保持一定的安全距离。当前车突然停止时，后车司机可以采取刹车措施，使汽车在安全距离内停下而不会与前车相碰。通常情况下，人的反应时间和汽车系统的反应时间之和为1s。当汽车在晴天干燥沥青路面上以108
22、km/h 的速度匀速行驶时，安全距离为120m。设雨天时汽车轮胎与沥青地面的动摩擦因数为晴天时的2/5，若要求安全距离仍为120m，求汽车在雨天安全行驶的最大速度。25.（20 分）如图，O、A、B 为同一竖直平面内的三个点，OB沿竖直方向，BOA=600,OB=3OA/2,将一质量为 m的小球以一定的初动能自O点水平向右抛出，小球在运动过程中恰好通过A点，使此小球带正电，电荷量为q。同时加一匀强电场、场强方向与OAB所在平面平行。现从O点以同样的初动能沿某一方向抛出此带电小球，该小球通过了A点，到达 A点的动能是初动能的 3 倍；若将该小球从O点以同样的初动能沿另一方向抛出，恰好通过B点，且
23、到达 B点的动能是初动能的6 倍.重力加速度为g。求(1)无电场时，小球到达A 点时的动能与初动能的比值；(2)电场强度的大小和方向35【物理选修3-5】（15 分）（1）（6 分）关于天然放射性，下列说法正确的。（填正确答案标号.选对 1 个得 3 分，选对2 个得 4 分，选对 3 个得 6 分。每选错一个扣3 分，最低得分为 0 分）A.所有元素都有可能发生衰变B放射性元素的半衰期与外界的温度无关C放射性元素与别的元素形成化合物时仍具有放射性D、和三种射线中，射线的穿透能力最强E一个原子核在一次衰变中可同时放出、和三种射线（2）（9 分）如图，质量分别为mA、mB的两个弹性小球A、B静止
24、在地面上方，B球距离地面的高度h=0.8m，A球在 B球的正上方，先将 B球释放，经过一段时间后再将A球释放。当A球下落 t=0.3s时，刚好与B球在地面上方的P点处相碰。碰撞时间极短。碰后瞬间A球的速度恰好为零。已知 mB=3mA,重力加速度大小g=10m/s2，忽略空气阻力及碰撞中的动能损失。求（1）B球第一次到达地面时的速度；（2）P点距离地面的高度。文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T
25、3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4
26、S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5
27、A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H
28、6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1
29、E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4
30、Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B
31、7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1答案：DBDAC BD AC AD【答案解析】（1）非线性（2）小车与接触面间存在摩擦力（3）平衡摩擦力 mM（即勾码的质量远小于小车的质量）【答案解析】（1）如图，有变形得，即（2）略（3）连接直线可得k=1.0A-1-1，b=6.0A-1（4），所以电动势E=3.0V，所以r=1.0。【考点分析】电学实验之求电源电动势和内阻，本题符合了目前的习惯考察方法：应用欧姆定律得到E、r的函数关系，化曲为直，结合图像求解。【难度】中等难度【答案】V1=20m/s【解析】汽车的初速度为V0=108Km/h=
32、30m/s.在反应时间内汽车做匀速直线运动，得:x=vt 在晴天时，设汽车在路面上刹车后加速度为a=g.则：X1=V0t，X2=，X1+X2=120，得 a=5m/s2设汽车在雨天安全行驶的最大速度为V1,在雨天时，汽车在路面上刹车后加速度为a1=2 m/s2，同理:X3=V1t，X4=,X3+X4=120，得 V1t+，解得 V1=20m/s【考点分析】匀变速直线运动；【难度】简单【答案】(1)73 (2)36mgq【解析】（1）设小球的初速度为V0，2OAl文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U
33、9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3
34、Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S
35、10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A
36、2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6
37、T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E
38、4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z
39、5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z132OBOA3OBl由于小球平抛运动可以到A点故有：0002 sin 6012 cos602ylV tlV t02 33yVV0220201()72132yKKm VVEEmV（2）没加电场时从O运动到 A由动能定理有：02220011()22KKyEEwm VVmVmgl2032mVmgh有电场时从O运动到 A由动能定理有：2201122AOAmVmVmglUq22011322AmVmV2OA
40、mglUq有电场时从O运动到 B由动能定理有：2201122BOBmVmVmglUq22011622BmVmV34OBmglUq有匀强电场性质在OB直线上存在一点和A点等势2OAmglUq34OBmglUqONMBA文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z
41、5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1
42、文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10
43、U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U
44、9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3
45、Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S
46、10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1如图所示三等分点M即为 A点的等势点，连接AM即
47、为等势面，过 O点做 MA的垂线交 MA与 N，ON 方向即为电场强度方向,和竖直方向成30夹角电场强度3263OAmglUmgqEONql(1)【答案】BCD (2)【答案】（1）smvB4（2）h=0.75m 文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5
48、 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文
49、档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U
50、6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9Z5 ZH9B7H6T3Z1文档编码:CW1E4S10U6R9 HZ4Z5A2U9