湖北十堰市郧阳中学2026-2027学年高一上学期10月阶段检测物理试题

标签:
普通文字版
切换试卷
| 6页
| 37人阅读
| 0人下载

学科网 zxxk.com学科网 zxxk.com

郧阳中学2026级高一10月月考

物理试题

考试时长:75分钟         总分100分

一、选择题(本题共10小题,每小题4分,共28分。1-7题每小题给出的四个选项中只有一项符合题目要求,每小题有多个项符合题目要求。8-10题全部选对得4分,选对但不全的得2分,有选错的得0分。)

1.在物理学的重大发现中科学家们创造出了许多物理学方法,以下叙述正确的是(     )

A.在推导匀变速运动位移公式时,把整个运动过程划分成很多小段,每一小段近似看作匀速直线运动,然后把各小段的位移相加,这里采用的是微元法

B.在物体本身的大小及形状对所研究问题无影响时把物体视为质点,采用的是极限法

C.定义加速度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采用的是理想化模型

D.根据速度定义式,当非常小时就可以表示物体的瞬时速度,采用的是假设法

2.在子弹穿透力对比的测试中,实验者可以通过子弹射穿苹果的个数来比较不同子弹的穿透力。某次手枪的子弹穿透了18个被紧挨排列固定在一起的相同苹果后速度恰好减为零,子弹穿透36个苹果的总时间为t,已知子弹可以视为质点,子弹穿透苹果的过程可视为匀减速运动,下列说法正确的是(     )

A.子弹在前时间内穿透了6个苹果

B.子弹穿透前9个苹果所用时间为

C.子弹穿透第13个苹果所用时间为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

D.子弹穿透第1个与最后1个苹果所用的时间之比为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

3.一物体以6 m/s的速度沿一光滑倾斜木板从底端向上滑行,经过1 s后物体仍向上滑,速度大小为4 m/s。现增大木板的倾角,物体仍以6 m/s的速度从底端向上滑行,经过1 s后物体已向下滑动,速度大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

小为4 m/s。若选择沿木板向上为正方向,用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、分别表示前后两次加速度,用、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分别表示前后两次2 s末的速度,以下表示正确的是(     )

A.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,  B.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,

C.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,  D.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,

4.某同学学习了自由落体运动和竖直上抛运动的内容后,和同伴一起做了一个物理小实验:自高为H的塔顶自由落下A物体的同时B物体自塔底以初速度竖直上抛,且A、B两物体在同一直线上运动,A物体和B物体的加速度都为g,方向竖直向下。则(     )

A.若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,两物体相遇时,B正在下降途中

B.若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,两物体在地面相遇

C.若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,两物体相遇时B物体正上升

D.若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,则两物体在下降的途中相遇

5.一辆汽车在平直公路上匀速行驶过程中,司机忽然发现前方有一警示牌,立即刹车。汽车在刹车系统稳定工作后第1 s内的位移为32 m,第5 s内的位移为1 m。求汽车匀速行驶时的速度大小及刹车过程中的加速度大小(     )

A.  B.

C.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  D.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

6.如图所示为物体做直线运动的4幅图像,则下列说法正确的是(     )

A.甲图中,物体在0~5 s内的位移小于40 m

B.乙图中,物体甲的加速度为,初速度为4 m/s;乙的加速度为,初速度为2 m/s

C.丙图中,物体在0~6 m内所用时间为4 s

D.丁图中,物体的加速度为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

7.如图所示,质点从A点由静止开始做匀加速直线运动,依次经过B、C、D三点,且。已知质点通过AB段、CD段的时间均为。若质点到达D点后立即以另一加速度做减速运动,再经过时间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后质点速度恰好减为零。则质点在运动全过程中的位移大小为(     )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

A.8 m   B.eqWmf183GmgAAAAAAACAGIAIBCQAAAAAQWgEACQAAAxwCAAAHAKEAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAIgAiAGCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///7r////gBQAA2gEAAAgAAAD6AgAAAAAAAAAAAAIEAAAALQEAAAUAAAAUAl4BDQMFAAAAEwJIATQDBQAAABMC4AGRAwUAAAATAk8A9wMFAAAAEwJPANYEBwAAAPwCAAAAAAACAAAEAAAALQEBAAgAAAD6AgUAAQAAAAAAAAAEAAAALQECABoAAAAkAwsACgNZAT8DPAGSA7gB8ANGANYERgDWBFkA/gNZAJsD4AGIA+ABKgNUARADZAEEAAAALQEAAAUAAAAJAgAAAAIFAAAAFALAAS4AHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAOzPMQA4l5N2gAGXdtMeZnsEAAAALQEDAAwAAAAyCgAAAAADAAAANTQyiRACygEAAwUAAAAUAsAB0AQcAAAA+wKA/gAAAAAAAJABAQAAAAACABBUaW1lcyBOZXcgUm9tYW4A7M8xADiXk3aAAZd20x5mewQAAAAtAQQABAAAAPABAwAJAAAAMgoAAAAAAQAAAG15AAMFAAAAFALAASQBHAAAAPsCgP4AAAAAAACQAQAAAAEAAgAQU3ltYm9sAHasHgqLIN99CuzPMQA4l5N2gAGXdtMeZnsEAAAALQEDAAQAAADwAQQACQAAADIKAAAAAAEAAAAreQADoQAAACYGDwA4AUFwcHNNRkNDAQARAQAAEQEAAERlc2lnbiBTY2llbmNlLCBJbmMuAAUBAAcIRFNNVDcAARNXaW5BbGxCYXNpY0NvZGVQYWdlcwARBVRpbWVzIE5ldyBSb21hbgARA1N5bWJvbAARBUNvdXJpZXIgTmV3ABEETVQgRXh0cmEAE1dpbkFsbENvZGVQYWdlcwARBsvOzOUAEgAIIS8n8l8hjyEvR19BUPIfHkFQ9BUPQQD0RfQl9I9CX0EA9BAPQ19BAPIfIKXyCiX0jyH0EA9BAPQPSPQX9I9BAPIaX0RfRfRfRfRfQQ8MAQABAAECAgICAAIAAQEBAAMAAQAEAAUACgEAEAAAAAAAAAAPAQIAiDUAAgSGKwArAgCINAADAAoAAA8AAQAPAQIAiDIAAAsBAQAKAgCDbQAAAAoAAAAmBg8ACgD/////AQAAAAAACAAAAPoCAAAAAAAAAAAAAAQAAAAtAQQABwAAAPwCAAAAAAAAAAAEAAAALQEFABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQAA0x5mewAACgA4AIoBAAAAAP////9s2jEABAAAAC0BBgAEAAAA8AEDAAMAAAAAAA==

C.12 m  D.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

8.(多选题)在有舵手赛艇项目决赛中赛艇达到某一初速度后,在相邻两个划桨周期T内的加速度a与时间t的图像如图所示,赛艇前进方向为正方向,图中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,这两个划桨周期内的运动视为直线运动,则(     )

A.经过相邻两个划桨周期后速度变化量为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

B.该相邻两个划桨周期内的位移之差大小为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

C.若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,则两个划桨周期时,赛艇的速度大小为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

D.若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,则三个划桨周期时,赛艇发生的位移大小为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

9.(多选题)在平直的测试汽车加速性能的场地上,每隔一定距离有一个醒目的标志杆,两名测试员驾车由某个标志杆从静止开始匀加速启动,当汽车通过第二个标志杆开始计时,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时,恰好经过第5个标志杆,速度大小为40 m/s,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时,恰好经过第10个标志杆,已知汽车匀加速的最大速度为64 m/s,汽车运动过程中可视为质点,则下列说法中正确的是

A.汽车启动的加速度大小为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

B.两个标杆之间的距离为100 m

C.时,还未到达第30个标志杆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。