什么叫地球引力?

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/01 11:50:09
x}WrFsGG2>;:<9 \,DJ\E E$_*_*M}TUV˗/S|=ߦ(D,\ҮLO뇿Z=wE6m_zdעo``ڌ*]WMOYX%k7G82W'; 8V)5h2fKk3- )YHa7LfK,Dž{},'7W q$麂մ² aHE!K,6_5mwX2Ds)d1X &1\273-OGOFo k9K]7梲}EN0CrH}Y":%ߌilNӹ,8Y4.Fp㫨1P!hAZ QآgN "V^ht\/;c~3t3T|0$3C =yT,"jdR}%g۹@X|eT9 dL'3, в5G.pP"mr@n;}De&sYq4PԋE,6;|ezֺ) ͽN&S7lGhe cFSAd/mf)5ڮ\qe]_ VڐҀ#3ˋ htT89D=Xy ZA^1d4|ҁ{JEyyb2b)n&?O-rb rT>5_L0Yk5 \5!w"Ӌ5nS X>ArI}p(hЎ2FJ%Ĥ٦dS-K A{]2‡+sxd/h#'#k lPbQg̾ WL%5 ^O!>d'͎Hu2:.刲5{ N ѝݠ V}% @~Իu]fҎTl#ak3 ЋSk:YTvbDcoՎ+<SO2.)p'ihQQFk Fg$rEcIӾ <(q7Y4mCw(ݱF\~#_ >zqY dWfJ,g5tk67gC0^ @P5P4;tc[j*2bި"Ѹ8wD4G%Pózf| K@V ]pKC@te T"0N[ 0i0ĴQJZPzi#0J'r~!"71 z㰶/ݜh,Ez7NZ`jx꺇8Ỳ'C$,<>2rfusмeRUy0lJ{xa +Qnx84"*2.XGޚKP>ix%ҫ"gɊt&lRÖ6#RLe63"`Az) hҁ@魥(F]!yL?QiL2cr$1mJR|!^?d uUu}9] h.!*sn\ASnqĉVw|ݤԟXY?h;cHU4V<  {f%x5rAM\,ZN4 92yWt2橶92jE*'=u'SĮ1͗cTǎIי}/3'j^