物理答案

'()!#$*+,%-./012$!!#$%&3456789!!'!-./#012&34567890:4&;-0<=>?@&-A6B3CD&EFGH0IKLMN&=>KLI5&#OP=>Q5'#/$012R&7890:45634&;-0<=>?S&-A6T3CD&EFGH0IKLI5&=>KLMN&/$O=>MU(&VW)(*XY&'Z[!\6O0=>]^6_&;/$012\`abcdefgh&i1278jb0Iœ!šžŸ& ¡¢?@£&¤™š+¥¦&§¨©¡¢ª–&™š+l«¬­®–¯°&‡ˆ–4±*²ef&™š+0³bI<&™š0›>œ!&´µI5&VW)Z[&*('XY'™š*³b0I¾©•¿40s?ÀÁ·Â&Ã•Ä·{0•¿4l•¿s?½q&ŠÅÆÇZ•&VW)XY'^j¼0ÈÉqr•¿µ>05N&\6+O0^j¼Ê*O0^j¼É&;+O0•¿µ>5&•wƒ+O0•¿45&•wƒ+O0<=>5&VW*Z['ÆÇZ•&•¿s?5Ë?Ì&•wƒÍ•jO•jb5&;•wƒ+O0•jb5&•w\*/+012R•¿4¥Ã¦&•w0mbMN&=>MN&VW'(&XY!2!&!ƒ,0(PÎ&\ÁÏh„O-?@Ðm&;ÑJiÒÓ.ÔÃs?ÕÖ&!/VW)XY'\Áh!034&/0#5&;0004)5&VW*XY'\ÁÏh&×Ø1,0(!250„O-/3!!##Ù/ÚÛÜÝ&;-O0ÚÛÜÝÜ6.010$4&VW'XY'\ÁÞh10(64&00&3/##\ÁÏg“„O-0ßms2U20(675,,#64$&VW&Z[!##$%!*!\àá3O0⼃O0ãärµ>5NU4(&å•»â¼ƒæçèO~0ãärµ>5Nl/â¼0éêëqÊ&;4O0⼃O0ãärµ>5NU$4(&\ìíe;‡å•»â¼ƒO~0ã¿ÀÁÆ·Â&;O0ãärµ>5NU4!0槡#4($,#$4($0槡!$4(&VW)XY'î 3Oâ¼0•ïs?q?&;Æ1(3⼃O~0ã¿0Jãärµ>U_&;O0ãärµ>5NU40$4(&VW*Z['î 3O0â¼ð/5A&;4(5A0⼃O~0ã¿0Jãärµ>U_&;O0ãärµ>5NU4$04(&VW'XY'î 1O0â¼ð/5A&\ìíe;‡å•»â¼ƒO0~0ã¿ÀÁÏ·ÏÂ&;O0ãärµ>5NU4#0槡4(,#%4($0槡$84(&VW&XY!8!'!\ñò&40647“¼óR~0är•mj0Q5ôU&40(槡9&;är•mj0®õôU&0(9&ö•´÷0ÂøU!39P&;¼ó³ùú“0•´U9&;•ûR0•ï5NU80)0)&\6•m`üýZþÿ!&;•m`0e•ïU)&VW)XY'•m`#$!0•¦%U-•0980!3:;0$%;&•m`0³$¦%U-³08:0:!!2;0%;&•m`0&-¦%U-0-•1-³0$(;&;•m`0õ%U#0:!((<0-•983$=$$<&VW*XY('Z['•'0õ%!0:!((<0>(<&VW&#&8XY!3!&!!N(0mDÚÛÁ&\Ágh&E)*9lº»s?0+,-5&:4;²»I5&VW)(*XY!*9¤N(0:4.\/0P0/(0!!!#$%&'()!#$%&!*!!+#,#+$%$$%$&书槡$%!'&!$0#$$0/0#$$/()>0=/:,(/槡:,(!=0>*0!:,(%“00&*;ä<=>(#+?@l*;ä<=>(2+?@0¼=>nÊU0&VW*=槡=0槡:,(!*%XY'¤6AƒA(÷30BšC®D4EF^634&;>0%<&¤*;ä<=>(#+?@®:$$*%#####:,(!$###:,(!$>0%#:,(!$&\¾S:“*0(<0&VW'Z[&\?0#:,(!$/(>/(/(:$#$$##:,(!$#:&‘’“%0$&VW&Z[!$>/(:@9A!!(!*&!GǕvwƒ•¿R0<=>U#&;#0&¤vw!&º»s?0#,&HÚs?A00!,&:“%A@9%!!@90!0&,0A&VW)XY&*Z['¤vw®0,,#,0A&:“00&VW'XY'槡%槡@9槡%9!!@9!¤vw!\mbe’“@0%0B!1%0!&:“0B!0&¤vw\mbe’“@90%0B槡%!$@9槡1%0&:“0B0&;0B!?0B0&VW&Z[!槡%$$%<5@.$!!!)'!ƒOA&7I0J-H.!0&K¶«4Lç&\MN*7ef®C.1$%<5@.$0$%<5@.$&C!!3%<5@.$ÅP&A0C.&:“&A0&VW)Z['.K¶«4O1(4Ðm/O12R&\mbeC!!!<5@.$槡$%C’®C.1C.!1$%<#.1.!$5@.$0:$%0&:“00&VW*XY'.K¶«4LC!!ç/7IPQzG&\mbe’®C.1$%<.5@.$0:$%0!&:“0!0(&RS1(4üýTbúê&$%<5@.$;4/O0Q5éêU.$0.1.!&:“.$0&VW'Z[&&XY!C0!!*&!Ǖvwƒã¿R¥U=VWÐm&\XYZ4[\?]4“@040%&=%0=:“=0&Gvw-0¸^_`U=&gh;vwD0¸^_`rU=B0&v@4$wDlvw-0¸^_`nÊU=B?=0!?$&VW*Z['!vw0¸¹ÀÁ·Â&vw-Ža˜å13O&\bcdeghvw-ƒã¿Rf10V],$0$槡$A!3(B1!(B0%(B&;‡ˆbcde“CD.0CD.$(B00&g’¤6vwD$=$BA0CD.0CD.%(B0槡$0&:“$B0!(B&\hie;gh&vwDüŽaã¿=BP{/0XYZ4º»?@&;vwDr.;OŽã¿&VW)XY'‡ˆÇ•vw0Wjñòghv#%!#%w-0WjU/0&vw-ƒã¿RÐm0Pç,0/&vwD0WjU/B0&\¾Súkgh@4%$4@!!vwDƒã¿RÐm0Pç,B0/B0/&·¾vwDlvw-ƒã¿RÐm0PçnÊU?$&VW$>#=#='XY'vw-0¸¹lGE0=$0&vwD0¸¹lGEB0=B$B0&vwDƒã¿RÐm0¸¹$>lGlvw-ƒã¿RÐm0¸¹lGnÊU?$&VW&Z[!<5@.$1$!$!#!$]mn#!ú$!#$(!3(#ú$!#$$ÚÛ45415oGpq0r,s01!#!ú$!#ú$C:k,#!$\6Nt0uD4bå1Õävw[“&ŠÅ]mnxyz{0„H|N6Nt0„H'11.3&1.13#!!((1#!#($:!(1#!#(:!(#$}”K~g“Nt0<=>U#000(!3(4)5'#/#:(!!!!!#$%&'()!#$%&!*!+#,#+$%$$%$&#$$\Á€gh&Tz{PNt0<=>]U_&÷SÚÛ45415oGpq0r,s01!'\MN!F!F*7ef;,*<5@.$1F0*#“#0;,<5@.$1&ÑJÁÞghC0($0<5@.$1&‘’:“F0****5@.$1$G;10<=>#00>4)5!#!ú$%!G1l4¸–=>U0(&\0(0#G!#!ú$:“0(0%4)51l4}78¸¹&\mHcd®%!0(0%!01!,%04!!#!ú$!!!\`abcd%!0(0%!01!,%04!!#!ú$:“01!014)5&04!0#4)5&;10mH5NU)10%!01!0HF4)5&s??h&40mH5NU)40%04!03HF4)5&s??Ì!!#!ú$!#$G1l4*²º¸–·”PçU,!&\G0#,!&“,!05$!#×Ø1,Pç&}*7º¸¹&01!,,#,004!,&“,05!#!ú$$;B»1.¼½/0/lpq4}*7º¸¹·”Pç,0,!,,05!#!ú$¸¹P10=>0B1!001!,#,0!(4)5&1l4}*7º78¸¹&\mHcd®%!01!B,%04!0%!01,%04!#!ú$!!!!\`abcd®%!01!B,%04!0%!01,%04