2021年高考物理试卷(海南)(解析卷)
海南物理一、单项选择题:本题共8小题,每小题3分,共24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.公元前4世纪末,我国的《墨经》中提到“力,形之所以奋也”,意为力是使有形之物突进或加速运动的原因。力的单位用国际单位制的基本单位符号来表示,正确的是( )A.B.C.D.【答案】B【解析】【分析】【详解】AB.根据牛顿第二定律的表达式可知力的单位为,A错误,B正确;C.根据压强的表达式可知力的单位可知力的单位为,但压强单位不是基本单位,C错误;D.根据做功的表达式可知力的单位为,但功的单位不是基本单位,D错误。故选B。2.水上乐园有一末段水平的滑梯,人从滑梯顶端由静止开始滑下后...
相关推荐
-
架构演进:小米的经验分享VIP免费
2025-03-31 14 -
Chemical Evolution of Fluorine in the Milky Way Kate A. Womack1Fiorenzo Vincenzo1Brad K. Gibson1Benoit Côté23Marco Pignatari3110
2025-09-29 3 -
Chemical evolution of elliptical galaxies I supernovae and AGN feedback Marta Molero12Francesca Matteucci123Luca Ciotti4
2025-09-29 2 -
CHAYAN KARMAKAR ABSTRACT . The aim of this paper is to give another proof of a theorem of D .Prasad
2025-09-29 3 -
Charge-sensing of a GeSi coreshell nanowire double quantum dot using a high-impedance superconducting resonator
2025-09-29 3 -
Charge uctuation and charge-resolved entanglement in a monitored quantum circuit with U1symmetry
2025-09-29 3 -
Character-level White-Box Adversarial Attacks against Transformers via Attachable Subwords Substitution
2025-09-29 4 -
Certifying randomness in quantum state collapse Liang-Liang Sun1Xingjian Zhang2Xiang-Zhou1Zheng-Da Li34
2025-09-29 3 -
CERTIFIED ROBUSTNESS OF QUANTUM CLASSIFIERS AGAINST ADVERSARIAL EXAMPLES THROUGH QUANTUM NOISE
2025-09-29 3 -
Certified machine learning Rigorous a posteriori error bounds for PDE defined PINNs
2025-09-29 2
作者详情
相关内容
-
Charge uctuation and charge-resolved entanglement in a monitored quantum circuit with U1symmetry
分类:图书资源
时间:2025-09-29
标签:无
格式:PDF
价格:10 玖币
-
Character-level White-Box Adversarial Attacks against Transformers via Attachable Subwords Substitution
分类:图书资源
时间:2025-09-29
标签:无
格式:PDF
价格:10 玖币
-
Certifying randomness in quantum state collapse Liang-Liang Sun1Xingjian Zhang2Xiang-Zhou1Zheng-Da Li34
分类:图书资源
时间:2025-09-29
标签:无
格式:PDF
价格:10 玖币
-
CERTIFIED ROBUSTNESS OF QUANTUM CLASSIFIERS AGAINST ADVERSARIAL EXAMPLES THROUGH QUANTUM NOISE
分类:图书资源
时间:2025-09-29
标签:无
格式:PDF
价格:10 玖币
-
Certified machine learning Rigorous a posteriori error bounds for PDE defined PINNs
分类:图书资源
时间:2025-09-29
标签:无
格式:PDF
价格:10 玖币


渝公网安备50010702506394