辽宁凌源市2025-2026学年高一下学期期末检测物理试题

标签:
普通文字版
切换试卷
| 7页
| 65人阅读
| 0人下载

学科网 zxxk.com学科网 zxxk.com

绝密★启用前

高一期末检测卷

物理

本卷满分100分,考试时间75分钟。

☆注意事项:

1.答卷前,考生务必将自己的姓名、准考证号等填写在答题卡上,并将准考证号条形码粘贴在答题卡的指定位置。考试结束后,将答题卡交回。

2.回答选择题时,选出每小题答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑。如需改动,用橡皮擦干净后,再选涂其他答案标号。

3.回答非选择题时,将答案写在答题卡上。写在本试卷上无效。

一、选择题:本题共10小题,共46分。在每小题给出的四个选项中,第1~7题只有一项符合题目要求,每小题4分;第8~10题有多项符合题目要求,每小题6分,全部选对的得6分,选对但不全的得3分,有选错的得0分。

1.暑期某游客驾车沿张承高速公路行驶367公里,经张家口、崇礼、沽源、大滩、丰宁至承德,海拔最高处达到1800多米,沿途风景如画。此过程

A.该车的位移大小约为

B.行驶中以该车为参考系,游客是运动的

C.某时刻该车速度计显示的是平均速度

D.若研究该车的运动轨迹,该车可视为质点

2.高考期间,为了方便考生掌握时间,考室前面都悬挂了时钟,如图所示为一块走时准确的时钟,下列关于时钟的说法正确的是

image

A.时针转动的周期最长

B.秒针的角速度为eqWmf183GmgAAAAAAAOAF4AMBCQAAAAAQWAEACQAAA9oBAAAEAKoAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALgA+AFCwAAACYGDwAMAE1hdGhUeXBlAADAABIAAAAmBg8AGgD/////AAAQAAAAwP///7j///+gBQAAmAMAAAgAAAD6AgAAEAAAAAAAAAIEAAAALQEAAAUAAAAUAgACQAAFAAAAEwIAAuIBBQAAAAkCAAAAAgUAAAAUAm4BsQAcAAAA+wKA/gAAAAAAAJABAAAAAAACABBUaW1lcyBOZXcgUm9tYW4ACNNPAJ3kQXeIgEd3awNCdwQAAAAtAQEACQAAADIKAAAAAAEAAAAxAAADBQAAABQCYAIkAhwAAAD7AoD+AAAAAAAAkAEAAAAAAAIAEFRpbWVzIE5ldyBSb21hbgAI008AneRBd4iAR3drA0J3BAAAAC0BAgAEAAAA8AEBAA8AAAAyCgAAAAAFAAAAcmFkL3MAfgCoAA4BrgAAAwUAAAAUAowDVAAcAAAA+wKA/gAAAAAAAJABAAAAAAACABBUaW1lcyBOZXcgUm9tYW4ACNNPAJ3kQXeIgEd3awNCdwQAAAAtAQEABAAAAPABAgAKAAAAMgoAAAAAAgAAADYwwAAAA6oAAAAmBg8ASQFBcHBzTUZDQwEAIgEAACIBAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHC0RTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwEDAAsAAA8AAQAPAQIAiDEAAA8AAQAPAQIAiDYAAgCIMAAAAAIAgXIAAgCBYQACAIFkAAIAgi8AAgCBcwAAAAAKAAAAJgYPAAoA/////wEAAAAAAAgAAAD6AgAAAAAAAAAAAAAEAAAALQECABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQAAIQCKAgAACgAGAAAA7GRmZyEAigJrA0J3BAAAAC0BAwAEAAAA8AEBAAMAAAAAAA==

C.分针与秒针的角速度之比为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

D.分针从“7”第一次转到“8”过程中时针转过的角度为30°page number 0

学科网 zxxk.com学科网 zxxk.com学科网(北京)股份有限公司


学科网 zxxk.com学科网 zxxk.com

3.如图所示,两本书A、B叠在一起,放在光滑水平桌面上。B受到一个水平恒力的作用,两本书始终保持相对静止。下列说法正确的是

image

A.A不受摩擦力  B.A受到向右的摩擦力

C.A受到向左的摩擦力  D.B受到向右的摩擦力

4.如图甲所示,一名举重运动员在水平放置的压力传感器上拿着举重杠铃进行体能训练,依次完成下蹲、站起动作,此过程中杠铃和手臂保持相对静止,某段时间内压力传感器的示数随时间变化的图像如图乙所示,重力加速度。下列说法正确的是

A.该运动员的质量为

B.时刻,压力传感器对运动员的作用力小于运动员对压力传感器的作用力

C.时间内,该运动员先处于失重状态后处于超重状态

D.时间内,运动员完成了一次下蹲,站起动作

5.如图所示,有一个半径为的光滑圆轨道,现给小球一个初速度,使小球在竖直面内做圆周运动,重力加速度为。则关于小球经过最高点时的速度,下列说法正确的是

image

A.的最小值为

B.由零逐渐增大,轨道对小球的弹力逐渐增大

C.当由逐渐减小时,轨道对小球的弹力逐渐减小

D.当由逐渐增大时,轨道对小球的弹力逐渐增大page number 1

学科网 zxxk.com学科网 zxxk.com学科网(北京)股份有限公司


学科网 zxxk.com学科网 zxxk.com

6.乌贼喷墨是一种防御行为,用于迷惑天敌,制造逃生机会,此过程伴随“墨水”的喷射。一吸满“墨水”后质量为的乌贼初始时静止,某时刻开始以相对于地面恒为的速度水平向前喷“墨水”,不计水的阻力且不考虑竖直方向的运动和受力,则下列说法正确的是

A.周围水对喷出的“墨水”的作用力使乌贼向前运动

B.若乌贼要在极短时间内达到的速度,则要一次性喷出约的“墨水”

C.若乌贼要在极短时间内达到的速度,则要一次性喷出约的“墨水”

D.要极短时间内达到的速度,此过程中它受到喷出“墨水”的作用力的冲量为

7.如图所示,一炮弹从倾角为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的山坡上的点以初速度水平飞出,点到坡底的距离,地面水平。不计空气阻力,重力加速度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,,,下列说法正确的是

image

A.初速度越大,炮弹在空中运动的时间越长

B.若,则炮弹一定落在山坡上

C.若炮弹落到地面上,则越大,落地时速度方向与水平面的夹角越大

D.若炮弹落到山坡上,则越大,落到山坡上时速度方向与山坡的夹角越大

8.急动度是描述加速度变化快慢的物理量,定义式为。为评估某品牌新能源汽车起步时的平稳性,一辆测试车从静止开始沿平直公路启动,车载系统在起步阶段“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”内将急动度设定为: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。已知时,eqWmf183GmgAAAAAAACAIQAIACQAAAABxVAEACQAAA+8BAAACALAAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAJAAiAICwAAACYGDwAMAE1hdGhUeXBlAABgABIAAAAmBg8AGgD/////AAAQAAAAwP///6b////gBwAA5gEAAAUAAAAJAgAAAAIFAAAAFALjAfUAHAAAAPsCIP8AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAAjTTwCd5EF3iIBHd2sDQncEAAAALQEAAAkAAAAyCgAAAAABAAAAMHnAAQUAAAAUAoABCgMcAAAA+wKA/gAAAAAAAJABAAAAAAACABBUaW1lcyBOZXcgUm9tYW4ACNNPAJ3kQXeIgEd3awNCdwQAAAAtAQEABAAAAPABAAANAAAAMgoAAAAABAAAADA7MnO0AI4CCAEAAwUAAAAUAoABOgAcAAAA+wKA/gAAAAAAAJABAQAAAAACABBUaW1lcyBOZXcgUm9tYW4ACNNPAJ3kQXeIgEd3awNCdwQAAAAtAQAABAAAAPABAQAKAAAAMgoAAAAAAgAAAGF0DgQAAwUAAAAUAoAB5AEcAAAA+wKA/gAAAAAAAJABAAAAAQACABBTeW1ib2wAd/u3Q3dAAAAACNNPAJ3kQXeIgEd3awNCdwQAAAAtAQEABAAAAPABAAAKAAAAMgoAAAAAAgAAAD09PAMAA7AAAAAmBg8AVgFBcHBzTUZDQwEALwEAAC8BAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHC0RTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINhAA8AAwAbAAALAQAPAQIAiDAAAA8AAQEACg8BAgSGPQA9AgCIMAACAII7AAIAg3QAAgSGPQA9AgCIMgACAJgE7wIAgXMAAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQB3IQCKAgAACgAGAAAAfAdmuSEAigJrA0J3BAAAAC0BAAAEAAAA8AEBAAMAAAAAAA==;时,。下列关于汽车在起步阶段“”内的说法正确的是

A.汽车的加速度随时间均匀增加

B.汽车在内速度变化量大于

C.汽车在时加速度达到最大值

D.汽车在时速度达到最大值

9.北京时间2026年5月17日,在海南商业航天发射场,长征八号运载火箭将千帆星座第九批组网卫星顺利送入预定轨道,发射任务取得圆满成功。如图所示,假设其中某颗卫星在圆轨道1上运行若干圈后,在点点火加速进入椭圆轨道2,运行若干圈后,在点点火加速进入圆轨道3。下列说法正确的是page number 2

学科网 zxxk.com学科网 zxxk.com学科网(北京)股份有限公司


由于学科网是一个信息分享及获取的平台,不确保部分用户上传资料的 来源及知识产权归属。如您发现相关资料侵犯您的合法权益,请联系学科网,我们核实后将及时进行处理。