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【2026版高中物理粤教版必修一册学习笔记练透word培优讲义作业13测量匀变速直线运动的加速度

【2026版高中物理粤教版必修一册学习笔记练透word培优讲义作业13测量匀变速直线运动的加速度

(分值:50分)

13分,28分,39分,45题每题15分,共50

1.2023·广州仲元中学高一期末)在“探究小车速度随时间变化规律”的实验中,下列操作中正确的有(  )

A.应先释放小车,后接通电源

B.打点计时器应放在长木板有滑轮的一端

C.在释放小车前,小车要靠近打点计时器

D.电火花计时器应使用低压交流电源

2.(8分)2023·台山市华侨中学高一期中)如图所示是某同学在“研究匀变速直线运动”的实验中获得的一条纸带。

(1)(2分)已知打点计时器的电源频率为50 Hz,ABCDE是纸带上五个计数点,每两个相邻计数点间还有四个点没有画出,则相邻两个计数点的时间间隔为 s。 

(2)(2分)若物体做的是匀加速直线运动,则AB两点中,先打的是点。 

(3)(4分)根据图中数据可计算出:C点的瞬时速度为 m/s,加速度为 m/s2(结果均保留2位有效数字)。 

3.(9分)2023·广州市高一期末)在“测量做直线运动物体的瞬时速度”实验中,用如图所示实验仪器进行实验。

(1)(3分)部分实验步骤如下:

A.实验完毕,关闭电源,取出纸带

B.将小车停靠在打点计时器附近,小车尾部与纸带相连

C.接通电源,待打点计时器工作稳定后放开小车

D.把打点计时器固定在平板上,让纸带穿过限位孔

上述实验步骤的正确顺序是:(用字母填写)。 

(2)(6分)某同学得到一条用打点计时器打下的纸带,并在其上取了OABCDEF共7个计数点(图中每相邻两个计数点间还有四个打点计时器打下的点未画出)。打点计时器接的是50 Hz的低压交流电源。他将一把毫米刻度尺放在纸带上,其零刻度和计数点O对齐,从刻度尺上直接读出数据记录在表中。

线段

OA

OB

OC

OD

OE

OF

数据/cm

0.51

1.50

3.00

4.99

7.51

10.50

打点计时器打D点时小车速度为vD= m/s(结果保留三位有效数字);小车的加速度为a= m/s2(结果保留两位有效数字)。 

4.(15分)2023·广州市高一期中)电火花计时器使用电源,工作电压 V。当电源的频率是50 Hz时,每隔秒打一个点。在“测定匀变速直线运动的加速度”的实验中,得到一条理想的纸带,按每打五个点取一个计数点的方法标出计数点(如图甲)。已测得s5=8.80 cm,在测s2时,刻度尺的示数如图乙所示,则s2= cm,根据上述数据算得加速度的大小为 m/s2。 

5.(15分)2023·广州市高一期中)在“研究匀变速直线运动”的实验中:

(1)(10分)某同学的操作步骤如下,

A.拉住纸带,将小车移到靠近打点计时器处,先放开纸带,再接通电源

B.将打点计时器固定在平板上,并接好电源

C.把一条细绳拴在小车上,细绳跨过定滑轮,下面吊着适当重的钩码,调整滑轮的高度,使细绳与平板平行

D.取下纸带,再断开电源

E.将平板一端抬高,轻推小车,使小车能在平板上做匀速运动

F.将纸带固定在小车尾部,并穿过打点计时器的限位孔

G.断开电源,整理好器材

H.换上新纸带,重复操作两次

其中两个错误的步骤是(填步骤前字母),改正为,其中多余的步骤是(填步骤前字母)。 

把步骤合理顺序填写在横线上:。 

(2)(5分)某同学记录一次小车运动情况的纸带如图所示,图中所示ABCDEFG为相邻的计数点,相邻计数点间有4个点没有画出,电源的频率为50赫兹,则小车运动的加速度为 m/s2(结果保留两位有效数字)。 

通过网盘分享的文件:word讲义

链接: https://pan.baidu.com/s/1ApPu4Bf1G3WQmBT-14h94g?pwd=4321 提取码: 4321 

--来自百度网盘超级会员v8的分享

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  1. CONNECT:[ UseTime:0.000784s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001306s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000588s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000632s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001162s ]
  6. SELECT * FROM `set` [ RunTime:0.000538s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001361s ]
  8. SELECT * FROM `article` WHERE `id` = 481285 LIMIT 1 [ RunTime:0.000946s ]
  9. UPDATE `article` SET `lasttime` = 1774126147 WHERE `id` = 481285 [ RunTime:0.010363s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000574s ]
  11. SELECT * FROM `article` WHERE `id` < 481285 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000956s ]
  12. SELECT * FROM `article` WHERE `id` > 481285 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004272s ]
  13. SELECT * FROM `article` WHERE `id` < 481285 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004830s ]
  14. SELECT * FROM `article` WHERE `id` < 481285 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005437s ]
  15. SELECT * FROM `article` WHERE `id` < 481285 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002521s ]
0.155009s