7.1怎样描述运动-2019-2020学年八年级下册初二物理【名师学案】(粤沪版)

%]' ! ^@)( 7$% ! ,-_`^@ 0/12 !$ r0 ! 1201 ! "$ 34 ! 01 ! ¸Å ! #$ 34! ! 34! ! #8I ! 01/8§5 ! $$ 676à ! 1201 345 !$ ! % " .4. ! 4.8 ! ! ' " 1201 ! "$, ! #$ ! % " 01 ! 01 ! ! ' " ¸Å ! 01 ! ! ) " ¸Å ! 0 1 ! ! 0 " 34! ! $$( ! %$ ! % " ¸Å ! 01 ! ! ' " #I ! 8§ ! &$( ! '$ !#'&!"%( 675 !$, ! "$* ! #$+ ! $$+ ! %$( ! &$ 9 ! 9 ! '$ 8 §5 ! ($ :Q;v-©;<©`·<=8I/ ;< + v-©;<=;>? # u< $ �<@A� B@V + u # CC + DE°©FGHI ( ! + v-©;<©`·<=8I # 8§¸Å ( 7$' ! ,-ab^@Fcd " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " '' $$ !"#$%&' ! !" ()(* +,-. #$ !!! !(# ! )*%$ '#! ! """"""""""""""""""""""" " " " " " " " " " " " " " " " " " " " " " " " " " " """""""""""""""""""""""" " " " " " " " " " " " " " " " " " " " " " " " " " # ## # !"GHI/ $# )iF¶ ! �BC)*¹#¡FBC)* ! r - ! $éêIJ ! ./01 ! ! 01©º³ " &# UGHBC)*"I-º³ ! JUKBC)* % ! 01 ! ! HC)*IJLM) " (ABC )*¹#¡LM)$/x-éê ! �NHC) *" ! 01 ! $ & (AHC)*¹#¡LM) $/xOEéê ! �8<NG" ! ´Á ! $ " '# BC)*"º³P"QR ! °6¡�K$ ! 0 1! " ! 01! ! �S ! ¨�$ìS8< ! # 8I ! " %&º³$H?5¥ ! IJ ! 01/ 8£2 ! " (# º³"ûTU¶$VWXY ! º³$ZÛ ! 3 43¿ ! " ! ./01 ! ["y¶_0. ' _ \]$B?º³ZÛ " $ !"# ! ! ���H $# !"#$%& ! �N)* " # $ $ �% # B $)# C $ "�ËÌ ' Í?e ( �4FG�� " Æ?ÀÀ,4³Î�6°gÏl°Ð ! =¸4: g ! X«\- & ) ( ³ÎM3XÀÀ,4³Î4¼ ½ ! +4. ! & $ ) ' y³ÎM3XÀÀ,4³Î 4¼½ ! 4.5 ! "# UST ' no^ ( V ' ]n o ($" # & $ Íp % ?;9�� ! ôHG;<M3XßHG; <4¼½4noJ¬ ! ./01 ! " &# #$�ö7qXïYde42 # $ $ *# ³Ñ?��{� +# æÅçe ,# BA�ÒÓ5de -# ÔÕ %%%%%%%%%%%%%%%%%%%%%%%% & & & & & %%%%%%%%%%%%%%%%%%%%%%%% % % % % % #Ö !! 6&os&¬MN5p­Ìq ! <rMN ) stM Nff ! Z�º�;2&'ÅÆ;R: ! o5uv&' Fä�·w&'ÅÆ;R: ! Z­MNþxyzMN $ $ !"# " ! ��> '# ôíTÆ4?¢£, ! íT,4HÖK× ! �eíT íÇÄ¢Â?e " # $ $ S¦¢£57¡ ! ÖK×2 ! 01 ! 4 ! íT2 ! 01 ! 4 " # & $ S¦íT57¡ ! ÖK×2 ! ´Á ! 4 ! ¢£2 ! 01 ! 4 " # ' $ S¦ÖK×57¡ ! íT2 ! ´Á ! 4 ! ¢£2 ! 01 ! 4 " # ( $ ;<4deÒ�2�_S57¡4;<§�X « ¸ � [ ` 4 ! r G _ S 5 7 ¡ 4 ; < Ø ! 01! ! " (# ?�á4$Û, ! ÙÙسΠ' ¯ÚÛ (! rG ' ¯Ú Û ( 4ܦ;2 # ! $ *# Ýæ%4d¿ +# p�4ÆÝ ,# ÛÞê4çeß&Û -# ³Î£4> %%%%%%%%%%%%%%%%%%%%%%%% & & & & & & & & %%%%%%%%