2018年杭州中考物理试题(答案扫描版).pdf

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1、2018年杭州中考物理试题答案扫描版5一个成年人正常的步行速度大约是A.1.2米/秒B.24米/秒C.36千米/秒D.48分米/秒11大游轮向东匀速直线行驶，小金面朝游轮前进方向，在游轮上的 A 位置竖直向上起跳，落下时的位置在不计空气阻力A.A 位置的东侧B.A 位 置的西侧C.A 位置D.以上三种情况都有可能14如图，粗糙程度相同的水平地面上，重 30 牛的物块在AB 段受 F=10 牛的水平拉力作用，向右做匀速直线运动，到 B点时撤去水平拉力，物块仍继续运动，到C处静止。以下说法正确的选项是A.在 AB 段物块受到水平向右的摩擦力，大小为10 牛B.在 AB 段物块受到水平向左的摩擦力，

2、大小为20 牛C.在 BC 段物块受到水平向左的摩擦力，大小为10 牛D.在 C 点物块受到水平向右的摩擦力，大小为 30 牛15如图为掷出的实心球的运动轨迹，实心球离开手后在空中飞行过程中最高点所受到的力A.只有重力B.重力和空气阻力C.重力和手的推力D.重力、空气阻力和手的推力17.跳绳是大家喜爱的体育运动之一，小金的质量为50 千克，每次跳起高度约为 6厘米人整体上升，如下图，一分钟跳100 次，以下说法正确的选项是D A.向上起跳过程中小金的动能持续增大B.在整个跳绳过程中小金的机械能守恒C.小金跳一次克服重力做功约3 焦D.小金在这一分钟内跳绳的功率约为50 瓦18.如图，质量分布均

3、匀的长方体重物A、B，密度分别为 A和B，底面积分别为 SA和 SB，且 SASB，将它们放在水平面上，它们对地面的压强相等。现水平割去上半部分如图中虚线所示，剩余部分对地面的压强分别为PA和PB，对地面的压力分别为 FA和 FB，以下物理量大小比较的关系正确的选项是A.FAFBB.PAPBC.ABD.切割前后 A、B 对地面的压强均不变25.4分 援 藏 教 师 到 达 西 藏 后 发 现 用 普 通 锅 煮 饭 不 容 易 熟。请 用 学 过 的 知 识 解 析 原因：；提出一个把饭煮熟的方法。26.6分如下图，将长为 1.2米的轻质木棒平放在水平方形台面上，左右两端点分别为A、B，它们距

4、台面边缘处的距离均为0.3米。在 A 端挂一个重为 30牛的物体，在B端挂一个重为 G 的物体。（1）假设 G=30 牛，台面收到木棒的压力为牛。（2）假设要使木棒右端下沉，B 端挂的物体至少要大于牛。（3）假设 B端挂物体后，木棒仍在水平台面上静止，则G的取值范围为牛。文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码

5、:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6

6、K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码

7、:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6

8、K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码

9、:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6

10、K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N430.6分下表是小金探究小灯泡L的电流与电压关系时所记录的实验数据。（1）在答题纸的坐标

11、系中画出通过小灯泡电流随它两端电压变化的图像。（2）已知该小灯泡的额定功率为0.75瓦，现有电压为6伏的电源，假设要使小灯泡正常工作，请设计电路图画在答题纸的指定区域内，并说明使小灯泡 L 正常工作时的操作方法：现有器材：“20，1A”的滑动变阻器、电压表、开关各一只，导线假设干。31.6分为探究光的反射规律，小金进行如下图的实验。（1）当入射角为 40 时，反射角为。（2）小金将纸板 F绕垂直于镜面 O N 向后转动，在纸板F上还能看到反射光吗？。请分析原 因：_。3假 设 使 入 射 光 线 与 平 面 镜 的 夹 角 为 30 ，那 么 反 射 光 线 与 入 射 光 线的 夹 角为：。

12、33 6分小金对玩具汽车的电动机很感兴趣，他拆下电动机，测得它的内阻为1.5。为测量电动机工作时的电流，利用身边现有器材，设计了如下图的电路 符号表示数值可读的变阻器。已知电源电压为 12V，当变阻器的阻文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9

13、N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 H

14、I8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9

15、N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 H

16、I8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9

17、N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 H

18、I8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4值为 6 时，电压表的读数为 3V。计算此时：（1）通过电动机的电流；（2）电动机消耗的电功率。34.7分甲、乙两位同学对“雨滴的下落速度是否跟雨滴的大小有

19、关”持有不同的意见，于是他们对此展开研究。他们从网上查到，雨滴在下落过程中接近地面时受到的空气阻力与雨滴的横截面积S成正比，与雨滴下落速度v的平方成值，雨滴接近地面时可看做匀速直线运动。把雨滴看做球形，其半径为r，密度为，比热为 c，球的体积为 V=4/3 r3。注：所有结果均用字母表示（1）半径为 r的雨滴重力为。（2）在接近地面时，大雨滴的下落速度小雨滴的下落速度选填“大雨”“等于”“小于”，写出推理过程。（3）假设半径为 r 的雨滴在近地面下落 h 高度的过程中，重力对它所做的功全部转化为雨滴的内能，则雨滴的温度升高了多少？35.6 分“蛟龙号”是我国首台自主设计、自主集成研制、世界上下

20、潜最深的作业型深海载人潜水器。“蛟龙号”体积约为30米3，空载时质量约为22吨，最大荷载240千克。（1）“蛟龙号”空载漂浮在水面时受到的浮力为多大？（2）假设“蛟龙号”某次满载时下沉是采用注水方式实现的，则至少注入多少立方米的水？海水密度取1.0 103 千克/米2，g取10牛/千克文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M

21、9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4

22、HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M

23、9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4

24、HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M

25、9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4

26、HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N437.9分 科学史上有这样一段关于意大利科学家伽伐尼和伏打的佳话，“一条蛙

27、腿”引发了电生理学的起源和电池的发明。阅读材料并答复以下问题：（1）伽伐尼在经历了“蛙腿抽动”这一偶然发现之后，重复此实验的目的是。（2）伽伐尼进行实验的实验假设是：是引起蛙腿抽动的原因。（3）伏打的质疑引发了伽伐尼新的实验：“伽伐尼剥出蛙腿的一条神经，一头和脊柱接触，一头和蛙腿受损的肌肉接触，多次实验均发现蛙腿抽动”。此实验文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4

28、 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1

29、M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4

30、 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1

31、M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4

32、 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1

33、M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4选填“支持”或“不支持”伽伐尼原

34、有的结论。（4）在伏打提出“金属电”后约 50 年，德国科学家亥姆霍兹指出，所谓“金属电”是化学作用引起的，是溶液中的离子定向移动而产生的电流，伏打电堆其实是多个伏打电池串联而成的电池组，是将能转化为电能的装置。右图为一个伏打电池，设计一个简单的实验判断其正负极。参考答案5A 11C 14C 15B 17D 18C 25.(4分)西蔵液 体的沸点低用高压锅26.(6分)(1)60(2)90(3)l090 30 6分【答案】图1所示 1；2电路图如图 2，操作方法：由题1曲线可知，当小灯泡正常发光时，额定电压为 2.5伏。闭合开关，移动滑动变阻器的滑片，观察电压表的示数，当电压表的示数为 2.5

35、伏时，小灯泡正常工作。文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I

36、5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4

37、ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I

38、5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4

39、ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I

40、5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4

41、ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N431.(6分)140；(2)不能,因为入射 光线、反射光 线、法线在 同 一平面内.纸板 F转动后与 E不在同.一平面内3120文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K

42、9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:

43、CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K

44、9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:

45、CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K

46、9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:

47、CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K

48、9J4 ZB8A5L1M9N437.(9分)(1)排除偶然因素(2)电(3)不支持(4)化学先用一根导 线将电压 表的正接线柱与金属板A相.另一根导线的一 端与金属板B相连,此导线的 另一 端与电压表 的负接线柱进 行试般.假设电压表 指t十正 向偏转,说明与电 压表正接线柱连接的金属板 A是正极,假设电压表反向偏转,理金属板 B是电池的正极文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5

49、I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4

50、 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5I5I4U9A4 HI8H8Z6K9J4 ZB8A5L1M9N4文档编码:CN5