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1、学习好资料欢迎下载物理实验专题归类复习17、在“探究二力平衡条件”的活动中，主要是通过探究力对物体的作用效果来实现探究目的的。如图所示是可供选择的两种探究方案。（1）图 18a的探究方案中研究对象是小卡片，图 18b的探究方案中研究对是；（2）小明选择了图18a 所示的探究方案。他将系于小卡片两对角的细线分别跨过左右支架上的滑轮后，就在两线端挂上钩码。这是用于探究两个力的和对物体平衡的影响；（3）探究活动中还要求要把小卡片转过一个角度，然后再松手。这样做的目的是用于探不在上的两个力对物体平衡的影响。（4）两个探究方案相比较，你认为哪个方案的探究过程对实验结论的影响小一些？为什么？18、在探究滑
2、动摩擦力与哪些因素有关的实验中，小明的实验过程如图20 所示(1)实验操作的关键是什么?(2)由甲、乙两图得到的结论是_。(3)图乙和图丙探究的问题是_。(4)在此实验的基础上，小明又猜想：滑动摩擦力的大小可能与物体的接触面积有关请你利用图中已有的器材，设计探究方案验证小明的猜想学习好资料欢迎下载19、物理实验要遵循实事求是的原则。小雯同学在“研究定滑轮和动滑轮特点”的实验中，完成了如下图22 所示的实验并记录了数据。通过分析数据，她觉得与书中的结论有较大偏差。你一定也做过这样的实验，回想你的实验经历，回答下列问题：(1)该实验中出现这样结果的主要原因各是什么?分别叙述。(2)请你对小雯的实验
3、方法提出合理的改进意见。两种情况分别提出实验次数物重G N 使用定滑轮时测力计的示数F1N 使用动滑轮时测力计的示数F2 N 1 1.00 0.60 0.65 2 1.50 1.10 0.90 3 2.00 1.60 1.15 20、在“研究液体压强”的实验中，进行了如图23 中各图所示的操作。（1）为了顺利完成实验，除图中画出的器材外，还需要用到；（2）比较图中代号为、的三个图，可得到的结论是：在同一深度，液体向各个方向的压强相等；（3）比较、两图，可以知道：在深度相同的情况下，不同液体的压强还与它的密度有关，液体的密度越大，压强；（4）、比较A、D、E三个图，可以看出：。文档编码:CG1I
4、2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文
5、档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A
6、1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10
7、T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10
8、C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K
9、5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:
10、CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C
11、9F4学习好资料欢迎下载21、小明同学利用标有“4.5mL”注射器、弹簧测力计、刻度尺等器材测量大气压强的值实验步骤如下：（1）把注射器的活塞推至注射器筒的底端，然后用橡皮帽堵住注射器的小孔，这样做的目的是。（2）如图 26 所示，用细绳拴住注射器活塞，使绳的另一端与弹簧测力计的挂钩相连，然后水平向右慢慢拉动注射器筒，当注射器中的活塞静止时，记下弹簧测力计的示数为8.2N。（3）用刻度尺测出注射器的全部刻度的长度为6cm，活塞的横截面积为cm2。（4）测得大气压强的数值为Pa。（保留二位小数）22、在“探究浮力的大小跟哪些因素有关”时，同学们提出了如下的猜想：可能跟物体浸入液体的深度有关；可能
12、跟物体的重力有关；可能跟物体的体积有关；可能跟物体浸入液体的体积有关；可能跟液体的密度有关。为了验证上述猜想，李明做了如图28 所示的实验：他在弹簧测力计下端挂一个铁块，依次把它缓缓地浸入水中不同位置，在这一实验中：文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3
13、 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1
14、I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4
15、文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10
16、A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I1
17、0T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU1
18、0C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9
19、K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4学习好资料欢迎下载（1）铁块从位置12 3 的过程中，弹簧测力计的示数，说明铁块受到的浮力；从位置 34 的过程中，弹簧测力计的示数，说明铁块受到的浮力。（填“变大”、“变小”或“不变”）（2）通过这一实验可以验证上述猜想是正确的，猜想是不正确的（填上面猜想的序号）。（3）给你一杯清水、一个熟鸡蛋和适量的食盐（如图29），请你设计实验验证浮力与液体的密度是否
20、有关。简要写出你的实验验证的方法23、图 30 是小亮测定斜面机械效率的装置图。每次实验时，被拉的小车沿同一斜面匀速向上运动。下表是小亮设计的记录数据的表格.(1)“较陡”时，做的有用功为_；总功为 _；机械效率为_；(2)分析表格中的实验数据，你能得到哪些结论？（要求写两条）a_；b_24、某同学在探究“动能大小与哪些因素有关”的实验中，设计了如图31 所示的实验方案，并进行了如下的实验：文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W
21、3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG
22、1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F
23、4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ1
24、0A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I
25、10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU
26、10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R
27、9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4学习好资料欢迎下载步骤 l：让钢球从斜面A点由静止开始下滑，到达水平面时速度为v1，撞击木块并使木块移动，记下木块移动的距离S1；步骤 2：让钢球从斜面B点由静止开始下滑，到达水平面
28、时速度为v2，：撞击木块并使木块移动，记下木块移动的距离S2：步骤 3：改变钢球的质量让钢球从A点由静止开始下滑，撞击木块并使木块移动，记下木块移动的距离S3。(1)比较 v1、v2，可知 vl_V2(选填“”、“”、“=”)这是因为 _。(2)设计步骤l 和步骤 2 的目的是 _。(3)比较步骤_和步骤 3 可以探究动能大小和物体_的关系。25、在“探究重力势能与哪些因素有关”的实验中，小华猜想：A物体重力势能的大小可能与物体被举高的高度有关 B.物体重力势能的大小可能与物体的质量有关。他选取了水性笔、橡皮、纸和透明胶作为实验器材，想利用物体下落时的破坏力来验证他的猜想。请你在A、B两个猜想
29、中任选其一，帮助他设计实验步骤并写出实验现象。猜想：(填“A”或“B”)步骤：现象：26、如图 32 所示，请说出可能发生的现象和表明的物理问题：甲图：看到的现象是，表明。乙图：看到的现象是，表明。文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I
30、8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3
31、HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I
32、2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文
33、档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A
34、1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10
35、T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10
36、C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4学习好资料欢迎下载27、如图 33 所示，单摆在竖直平面内左右摆动，滚摆在竖直平面内上下往复运动（1）这两个实验可以说明的同一个物理问题是：（2）在单摆左右摆动和滚摆上下往复运动的过程中，你将会看到它们上升的高度逐渐降低产生此现象的原因是：。28、为了比较水和沙子容热本领的大小，小明在 2 个相同的烧杯中分别装入水和沙子。用两个相同的酒精灯对其加热。(1)在实验前要控制水和沙
37、子的_和_相同。(2)比较水和沙子吸热升温快慢的方法有两种：方法一：加热时间相同比较它们各自升高的温度。方法二：_。(3)用两个相同的酒精灯对其加热的目的是_。(4)如果加热相同的时间，质量相同的水和沙子，_(沙子水)升高的温度更高(5)实验中有些同学发现：刚开始加热时，情况与(4)结论不符，你认为可能的原因是.29、小丽家住市中心，奶奶嫌城市夏天太热而不住她家，这激发了她探究城乡温差原因的兴趣。她利用双休日时间和同学们一起在中午同一时刻测量了各个测试点的气温，并以此绘制出如图34 所示的“区域温度”坐标图。(1)从图中你发现_的温度比较高，这种现象我们称为“城市热岛效应”。(2)请结合图中数
38、据以及你的经验，找出一个造成热岛效应的原因：_。(3)如何减少城市环境的热污染，请你提出一条合理化建议：_。文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8
39、I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 H
40、U10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2
41、R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档
42、编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1
43、D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T
44、6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C
45、10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4学习好资料欢迎下载30、2008 年 5 月 1 日，杭州市率先在西湖景区推行公共自行车交通服务。许多市民也开始不使用汽车而骑自行车上班。（1）从环保角度看，这主要有利于减少城市的_ 污染。A大气污染;B水污染;C土壤污染;D白色污染.（2）骑车上班还有利于身体健康。体重80 千克的金老师每天骑车（车的质量约20 千克）上班“减肥”。若他以5 米秒的速度匀速前行，受到的阻力约为人与车总重的0.04倍，则他消耗的功率约为瓦。（g=10 牛千克）（3）不同的运动方式，
46、人体消耗的能量是不同的。由表中数据可知，金老师运动减肥的最佳方式是.（4）5 月份，国际油价突破每桶130 美元。国内许多加油站前汽车排起了长长的车队，结合我国近年石油生产与消费量比较图，谈谈自行车公交化对我国能源发展的意义.31、学校新购了一箱物理器材，小云同学将它从一楼搬到三楼，小彬同学想测定小云搬运器材过程中对箱子做功的功率.【实验器材】_、_、_；文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 Z
47、Z10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I
48、8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3
49、HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I
50、2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文档编码:CG1I2R9K5W3 HU10C10I8I10T6 ZZ10A1D1C9F4文