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SAT2关于引力地一道题给一下关于万有引力的所有公式THXThemoonhasmassMsandradiusR.Asmallobjectisdroppedfromadistanceof3Rfromthemoon'scenter.Theobject'simpactspeedwhenitstrikesthesurfaceofthemoonise
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SAT2 关于引力地一道题 给一下关于万有引力的所有公式 THX
The moon has mass Msand radius R.A small object is dropped from a distance of 3R from the moon's center.The object's impact speed when it strikes the surface of the moon is equal to genghaoxia KGM/R for k=
A 1/3 B 2/3 C 3/4 D 4/3
The moon has mass Msand radius R.A small object is dropped from a distance of 3R from the moon's center.The object's impact speed when it strikes the surface of the moon is equal to genghaoxia KGM/R for k=
A 1/3 B 2/3 C 3/4 D 4/3
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答案和解析
D
应该不难,基础题
应该不难,基础题
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