\n`p³´?f?µfª§\r==m2a2\ra2=10m/s2\rO1`¶·\r1J\r«\rt=ls\r(2)`\r`p¸¹º»`1RFPy\n¼R½`\r`pEFG»¾\n`p¿§\rÀ6Á8=Â02\rÀ=30N\ro`p1$8R\n³`¸¹ÃbR\nFPx\n¨`EFGai,ª§\r¤L\rF2=34NEvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r!`pTUPQR0$%\nª§?FVWXY\r30N<F<34N\r20.
30m/s\n3.9m\rÆÇ°È/\ncdefgÉi\n¨jkµfgpFGÊ\n?pFGË,Z[\]\rª§\rÌ=W2+\rjkµfgOÍ%=2Ï:§\rÐ=2gMH-N\rÑÒ«\rVI-12m/s,v2=5m/s\rO¶·u=%+R\nÉ|R0\rt='=1.2s\rg\r¨cd?pFGÓwkl;FGp=xyÓ\n?|l;FGp=%,Z[\]\rÆÇ°È\nO¶·\ncd?pFGÓwkl;FGp=xy\rÓÔm/s=4m/\r\rv4=3m/sEvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rOÕcd\rlmtuv\nwkl;FGp=xyzt"0.75{\n?|l;FGp=}z,\rªtvwkl;FGp=xy\rv5=0.75Ó=3m/s\r?|l;FGp=\rv6=v4=3m/s\r¨cdÖ×vFGv,Z[\]\rª§\rv=\jv5+v6=3Øm/s\r1,\rÖ×v\njkµfg\nO\ncdÙ$:;R0\rO¶·:$lmnb\rd=v5tt=3.9m