河南安阳市文峰区北关区2026-2027学年高一上学期阶段检测物理试题

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高一物理

注意事项:

1. 答题前,务必将自己的个人信息填写在答题卡上,并将条形码粘贴在答题卡上的指定位置。

2. 回答选择题时,选出每小题答案后,用铅笔把答题卡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。回答非选择题时,将答案写在答题卡上。

一、单项选择题:本题共7小题,每小题4分,共28分。在每小题给出的四个选项中,只有一项是符合题目要求的。

1.小明同学某天下午15时30分打开电脑观看动物世界,他看到这样一幅有趣的画面:一只犀牛鸟停在犀牛的背上,随犀牛一起移动,下列说法正确的是(   )

A.“15时30分”指的是时间间隔

B.以地面为参考系,犀牛鸟是静止的

C.以犀牛为参考系,犀牛鸟是静止的

D.研究犀牛的奔跑动作时,犀牛可以看作质点

2.如图所示为沙漠蝗虫,它依靠后腿蓄力起跳。高速摄影观测发现,沙漠蝗虫起跳加速阶段用时0.01 s,离地瞬间速度可达3.0 m/s。若把蹬地起跳过程简化为初速度为零的匀加速直线运动,则蝗虫起跳阶段的加速度大小约为(   )

A.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            B.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            C.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            D.eqWmf183GmgAAAAAAAAAHQAIACQAAAABRWwEACQAAA7sBAAACAK0AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAJAAgAHCwAAACYGDwAMAE1hdGhUeXBlAABQABIAAAAmBg8AGgD/////AAAQAAAAwP///7f////ABgAA9wEAAAUAAAAJAgAAAAIFAAAAFAL0AFsGHAAAAPsCIP8AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///8I0PICfEPZdUAAAAAEAAAALQEAAAkAAAAyCgAAAAABAAAAMgDAAQUAAAAUAqABOgAcAAAA+wKA/gAAAAAAAJABAAAAAAACABBUaW1lcyBOZXcgUm9tYW4A/v///wjQ8gJ8Q9l1QAAAAAQAAAAtAQEABAAAAPABAAAPAAAAMgoAAAAABQAAADQwMDAvAOoAwADAAEwCAAMFAAAAFAKgAZQDHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///8I0PICfEPZdUAAAAAEAAAALQEAAAQAAADwAQEACgAAADIKAAAAAAIAAABtcxwCAAOtAAAAJgYPAE8BQXBwc01GQ0MBACgBAAAoAQAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwREU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEFQ291cmllciBOZXcAEQRNVCBFeHRyYQATV2luQWxsQ29kZVBhZ2VzABEGy87M5QASAAghLyfyXyGPIS9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA8h8gpfIKJfSPIfQQD0EA9A9I9Bf0j0EA8hpfRF9F9F9F9F9BDwwBAAEAAQICAgIAAgABAQEAAwABAAQABQAKAQAQAAAAAAAAAA8BAgCINAACAJgC7wIAiDAAAgCIMAACAIgwAAIAmALvAgCDbQACAIIvAAIAg3MADwADABwAAAsBAQEADwECAIgyAAAAAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIQAAcAAAAAALwCAAAAhgECAiJTeXN0ZW0AVyEAigIAAAoAIwdmVyMHZlchAIoC6NnyAgQAAAAtAQEABAAAAPABAAADAAAAAAA=

3.如图所示为太极图案步道,图案中间的S形边界由两个直径均为R的半圆弧构成。一游客从起点A出发,沿S形边界以恒定速率运动到C点,关于此过程,下列说法正确的是(   )

A.游客的路程为2R

B.游客的位移大小为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 number 0

 

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C.游客的平均速度大小为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

D.游客的平均速度大小为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

4.图1为餐厅智能送餐机器人,图2记录了机器人沿走廊做直线运动的位移随时间变化的关系()图像,图像中12 ~20 s的部分为曲线,其余时间段均为直线。下列关于机器人运动的判断正确的是(   )

A.0~4 s内,机器人做匀加速直线运动

B.12~20 s内,机器人的速度越来越大

C.8 s时,机器人的瞬时速度大小为1 m/s

D.12 ~20 s内,机器人的加速度为零

5.如图所示,栖息于青藏高原的胡兀鹫叼起兽骨悬停在空中,随后由静止释放兽骨,利用撞击岩石的方式将骨头摔碎进食。不计空气阻力,重力加速度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取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,释放兽骨的高度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,下列说法正确的是(   )

A. 兽骨下落的时间为5 s

B.兽骨撞击岩石前瞬间的速度大小为80 m/s

C.前2 s内,兽骨下落的位移大小为15 m

D.兽骨下落过程的平均速度大小为20 m/s

6.食堂保温餐盘存放装置内部有五根完全相同的竖直轻弹簧,弹簧的下端均固定在装置底部,上端共同连接托盘,托盘上叠放多个规格一致的餐盘,每取走一个餐盘,重新平衡后托盘上升1.5 cm。已知每根弹簧的劲度系数均为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,重力加速度取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,弹簧始终在弹性限度内,下列说法正确的是(   )

A.弹簧对托盘的弹力是托盘发生形变产生的

B.托盘对弹簧的压力就是托盘的重力

C.一个餐盘的质量为0.15 kgpage number 1

 

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D.一个餐盘的质量为0.25 kg

7.郑州地铁列车进站停靠是市民日常出行中常见的场景。某次列车以eqWmf183GmgAAAAAAAIAHQAIBCQAAAADQWwEACQAAA+wBAAACAK0AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAJAAoAHCwAAACYGDwAMAE1hdGhUeXBlAABgABIAAAAmBg8AGgD/////AAAQAAAAwP///6b///9ABwAA5gEAAAUAAAAJAgAAAAIFAAAAFALjAdcAHAAAAPsCIP8AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///8I0PICfEPZdUAAAAAEAAAALQEAAAkAAAAyCgAAAAABAAAAMADAAQUAAAAUAoAByAIcAAAA+wKA/gAAAAAAAJABAAAAAAACABBUaW1lcyBOZXcgUm9tYW4A/v///wjQ8gJ8Q9l1QAAAAAQAAAAtAQEABAAAAPABAAAMAAAAMgoAAAAAAwAAADEyLyLAAEwCAAMFAAAAFAKAATQAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///8I0PICfEPZdUAAAAAEAAAALQEAAAQAAADwAQEADAAAADIKAAAAAAMAAAB2bXMmRAQcAgADBQAAABQCgAHGARwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEFN5bWJvbAAnAAAKAJjkCgj+////CNDyAnxD2XVAAAAABAAAAC0BAQAEAAAA8AEAAAkAAAAyCgAAAAABAAAAPQAAA60AAAAmBg8AUAFBcHBzTUZDQwEAKQEAACkBAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAIN2AA8AAwAbAAALAQAPAQIAiDAAAA8AAQEACg8BAgSGPQA9AgCIMQACAIgyAAIAmALvAgCDbQACAIIvAAIAg3MAAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQB3IQCKAgAACgCQD2Z3kA9mdyEAigLo2fICBAAAAC0BAAAEAAAA8AEBAAMAAAAAAA== 的初速度驶入地铁站,随即以大小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 的加速度匀减速制动,列车完全停止后,在站台停留1 min,待乘客上下完毕再次启动驶出。下列说法正确的是(   )

A.开始减速后内列车的位移大小为

B.开始减速后20 s内列车的位移大小为90 m

C.开始减速后第20 s末列车的速度大小为4 m/s

D.列车减速过程的第1 s内与最后1 s内的位移大小之比为28∶1

二、多项选择题:本题共3小题,每小题6分,共18分。在每小题给出的四个选项中,有多项符合题目要求。全部选对的得6分,选对但不全的得3分,有选错的得0分。

8.某实验小组利用图1装置研究物块与长木板间的摩擦力。光滑水平实验台上固定力传感器,力传感器通过水平细线拉住物块,物块放在粗糙长木板上,用水平向左的外力拉动木板,力传感器记录的拉力随时间变化的图像如图2所示。下列说法正确的是(   )

A.拉动木板后木板必须做匀速直线运动

B.由图像可知,物块受到的滑动摩擦力大小为2.6 N

C.由图像可知,物块受到的最大静摩擦力大小为2.6 N

D.在物块和木板静止时,对木板施加大小为2.4 N水平向左的外力,木板的加速度为零

9.如图所示,某农户使用货运无人机吊运袋装玉米,无人机抵达卸货场地正上方后,竖直向下运送货物。整个下降过程分为三个连续阶段:第一阶段从静止开始匀加速直线下降,第二阶段匀速直线下降,第三阶段匀减速直线下降直至速度减为零。已知三段位移大小之比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,无人机和袋装玉米可视为质点,取竖直向下为正方向,则无人机的速度—时间(eqWmf183GmgAAAAAAAOACgAEBCQAAAABwXQEACQAAA2oBAAACAJQAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAeACCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///wYAAACgAgAAhgEAAAUAAAAJAgAAAAIFAAAAFAIgATQAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///8I0PICfEPZdUAAAAAEAAAALQEAAAoAAAAyCgAAAAACAAAAdnT4AQADBQAAABQCIAEkARwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEFN5bWJvbACmAAAKABjlCgj+////CNDyAnxD2XVAAAAABAAAAC0BAQAEAAAA8AEAAAkAAAAyCgAAAAABAAAALQAAA5QAAAAmBg8AHQFBcHBzTUZDQwEA9gAAAPYAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAIN2AAIEhhIiLQIAg3QAAACICgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIQAAcAAAAAALwCAAAAhgECAiJTeXN0ZW0ARSEAigIAAAoAmA9mRZgPZkUhAIoC6NnyAgQAAAAtAQAABAAAAPABAQADAAAAAAA=)图像和加速度—时间(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)图像可能正确的是(   )

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