高中物理动量大题(含答案)-精选.pdf

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

1712017?bM=3kgAOL=2m=0.3OBav0=4m/sOBabm=1kgg=10m/s21ab2aB3aO1aabv1=2m/sabamv1=2mv2v2=1m/s2av2=1m/smv2=M+mv3v3=0.25m/sB=0.03125m3aO1ab1m/s2aB270.03125m3aO0.125m22017?LBCBCAV0BV0BCABCm1B2CR3ACC1ABABCABCmv0=mv0+2mv1v1=v0Q=mgL=mm2m2ACBCACV2ACmv0+mv1=m+mV2V2=AC37m+m=2m+mgRR=3ACAVACVCACmv0+mv1=mvA+mvCACm+m=m+mVC=1B2C3ACC32017?M=0.4kgB=1m/sm=0.1kgA0=4m/sA=0.1l=3.5mABg=10m/s21A2AEpm3A1Am12m02=mgl471=3m/s1A3m/s2AABm1=M+mEpm=m12M+m2Epm=0.36J3Am1=m1+M2m12=m12+M2211=1.8m/s2111.8m/s2=1.2m/s0m12=mgl1l1=1.62ml1lA1==1m/s12A1A3m/s2AEpm0.36J3A42017?1370kg1.0104m/s1.0107m/s57h=6.61034J?sP=m=3701.0104=3.7106kg?m/s=1.81040mm=MM===3.71013kg1.81040m3.71013kg52017?ABDABBDR=0.4mBC0BmAB=0.5CBL=1.6mg10m/s21DB21030B671vDDtBxmg=m2R=gt2x=vDtx=0.8m2vvmvB=mv+mvmvB2=mv2+mv2v=vBBDmg?2R=mv02mv2vB=2m/sCBmgL=mvB2mv02v0=6m/s3MvMvmMvB=MvM+mvmMvB2=MvM2+mvm21111vm=12M=mMvBm2vB13DvD'mg?2R=mv02mvm21413142m/sD'8m/s15Bx'x'=vD't1615160.8mx'3.2m17771B0.8m206m/s3B0.8mx'3.2m62016?p=FtpFxymaxypxpybavx=vsinvy=vcosvx=vsinvy=vcospx=mvxvx=0py=mvyvy=2mvcosybp=Ftyyaxypx0py2mvcosyby

1 / 7
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功