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单选题 .下列系统各有多少个自由度: (1)在一平面上滑动的粒子; (2)可以在一平面上滑动并可围绕垂直于平面的轴转动的硬币; (3)一弯成三角形的金属棒在空间自由运动
学科：大学物理B
时间：2025-03-16 10:00:31
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题目1单选题
<img src="https://tihai-oss-cloud.itihey.com/img/85d1e2242c224ac2356517c2c0c9c720.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/7c4d5a62939bd6549a8f227fb26ed6c1.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/25af8a8c5138b6dc9482b92b060ea2bd.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/ee2961b9b9980b88306741721b5e2c36.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/bdc10d96816949b3d2b578492abf0e2c.png">
题目2单选题
<img src="https://tihai-oss-cloud.itihey.com/img/79a55c7ea2718a4edf85d624cb14b039.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/77ffa70dd6a0b832cac9b5e95a84964a.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/7174f9cc53bbf3a243954435e63f3b5d.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/c772048da7971e474267066824d80e49.png">
题目3单选题
.下列系统各有多少个自由度: (1)在一平面上滑动的粒子; (2)可以在一平面上滑动并可围绕垂直于平面的轴转动的硬币; (3)一弯成三角形的金属棒在空间自由运动A. 2, 3, 5B. 3, 6, 6C. 3, 4 , 6D. 2, 3 , 6
题目4单选题
<img src="https://tihai-oss-cloud.itihey.com/img/e88f7e36110afa12c120bdcd47fdff8b.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/8c5ef7843787b94d6c3d0d481124cd61.png">, <img src="https://tihai-oss-cloud.itihey.com/img/8c5ef7843787b94d6c3d0d481124cd61.png">, <img src="https://tihai-oss-cloud.itihey.com/img/d730790862c46fc10aef09f22848e16c.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/8c5ef7843787b94d6c3d0d481124cd61.png">, <img src="https://tihai-oss-cloud.itihey.com/img/3da44c72b375dcc7f694b0df59296040.png"> , <img src="https://tihai-oss-cloud.itihey.com/img/d730790862c46fc10aef09f22848e16c.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/8c5ef7843787b94d6c3d0d481124cd61.png">, <img src="https://tihai-oss-cloud.itihey.com/img/d730790862c46fc10aef09f22848e16c.png">, <img src="https://tihai-oss-cloud.itihey.com/img/3da44c72b375dcc7f694b0df59296040.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/3da44c72b375dcc7f694b0df59296040.png">, <img src="https://tihai-oss-cloud.itihey.com/img/8c5ef7843787b94d6c3d0d481124cd61.png">, <img src="https://tihai-oss-cloud.itihey.com/img/d730790862c46fc10aef09f22848e16c.png">
题目5单选题
在温度为127 ℃时,1 mol氧气(其分子可视为刚性分子)的内能为___ ____J,其中分子转动的总动能为________JA. 8.31×103 , 3.32×103B. 3.32×103 ; 8.31×103C. 6.31×103 ; 3.32×103D. 3.32×103 ; 6.31×103
题目6单选题
<img src="https://tihai-oss-cloud.itihey.com/img/2a6f063ae7907cbe413896618f800a5d.png">A. 氧; 氢; (1)B. 氢; 氧; (2)C. 氧; 氢;(2)D. 氢; 氧; (1)
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