2020年高考物理试卷(浙江)【7月】(解析卷)
物理试题一、选择题Ⅰ(本题共13小题,每小题3分,共39分。每小题列出的四个备选项中只有一个是符合题目要求的,不选、多选、错选均不得分)1.国际单位制中电荷量的单位符号是C,如果用国际单位制基本单位的符号来表示,正确的是( )A.B.C.D.【答案】B【解析】【详解】根据电荷量公式q=It可知,电流I的单位是A,时间t的单位是s,故用国际单位制的基本单位表示电量的单位为A∙s,故B正确,ACD错误。故选B。2.如图所示,底部均有4个轮子的行李箱a竖立、b平卧放置在公交车上,箱子四周有一定空间。当公交车( )A.缓慢起动时,两只行李箱一定相对车子向后运动B.急刹车时,行李箱a一定相对车子向前...
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