C.E9.15cnjoy his life now?1.Whydo David fearD calligraphy?A.He lives closer to his workplace.A.To show his works at exhibitions.乃B.He has more choices2B.To give his pieces to his parents as gifts.C.He gets paid more.C.To teach his parents this ancient art form13.What does Michael believe is the right thing to do?2.What is probably the man?A.Working in a company to do the same things.A.A doctor.B.Staying at home all day without doing anythingC.Contributing to the community through his wor听策9路材魁.同答第14至17题。每小题有多个选项符合题日要间为,恰好能到达竖直轨道最高点。重力加速度为g,则ose his WeChat Moments?或不选得0分)A小球的质量m与滑块的质量M之比为3】te posts on WeChat.转动,B小球到达最高点时4速度为2√3g及on the real world始半圆C小球与滑块分离时的速度为2√®尔eople to know anything about心、垂D从小球进人圆弧轨道到竖直轨道最高点的过程中,滑块移动的距离为mmunicate with his friends in一光激光顺时hv级+R多动,是第10.如图甲所示,光滑且足够长的固定斜面与水平面的夹角为30,斜面上两平行ace conversations.the man's life?距离水平虚线MN和PQ之间有垂直于斜面向下的匀强磁场:PQ以下区域有垂直于斜面向上的匀强磁场,PQ两侧匀强磁场的磁感应强度大小相等。正方形ntion to workme with his children.导线框abcd四条边的阻值相等,1=0时刻将处于斜面上的导线框由静止释向上移动more with old friends放,开始释放时b边恰好与虚线MN重合,之后导线框的运动方向始终垂直ationship between the tw于两虚线,其运动的。一t图像如图乙所示,4一2时间内导线框的速度大小为w,重力加速度为g,下列说法企确的是Br.的正弦值为6,时,光屏三20题2ing?30entions态的氢原子跃迁时,发出频30个乙电路中光电管阴极K上下列说法延确的是A.0~4时间内,导线框的ab边一定没有经过虚线PQ语试题(长郡版)第BB一4时间内,导线框的速度大小为登(UAC.1~t,时间内,导线框a、c两点间的电势差为0D6一时间内,导线框的位移大小为学山-十选择题答题卡题号123678910得分答案12第Ⅱ卷非选择题(共56分)使阴极K发生光电效应三、实验题(共16分)11.(6分)某学习小组利用不同的实验装置,进行探究平抛运动规律的实验:0.5R0。.--,在圆弧轨道运动时甲物理试题(长郡版)第4页(共8页)