Page 21 - 高中物理小题狂做·选择性必修第三册·RJII
P. 21
!"#$%
!"#$ ! %&'()
!! !! "#$%&'() # ! % $
# ' ( ( "/" . #/ / !
*! ! " !"## $%&'()*+,-./0 # % * $ *
# " % $
12345#6789:$ ;<=>?#$ @AB"$ ; # ' # ( #/ / / !
# " . & $ "&'
CDEF" !"## ! GH!" !"#!IJKL6M
#
# & %
/
14%&'!$%" $ KL6M1!"&''N4NOF # ' % ( % */ " . " !
#
#
((!%) $ KL6M1%&'4PQF*!$+, - % " ! RS # $ "&' $
#
# ' 3 ( $ */ / " !
(#
1!
TUVWXY " ./$!*(0!* "&' ! Z&' [\7]^ # " .
# Uwx s X$ % y z 7 8 8 9$ & y z 3 4 8
_`(abcXd( #
# 9$ % * yzFG89$ $ yz7801$ $ "&' yz34
' ! ( !2" !"#efghijXFkl)
#
#
' ( (m^noghij4:pFkl) # 01$ $ * yzFG01{/0FGK|#,RS}~
#
!
+, ! ' ! (!"#!" $%&'()*+,-. # lm$ # yz78,9$ " yzFGA$ yz78
#
#
/01234015678,9$ :"#;<=>?@ # ,PQ!
# "! k56FGlm,7a
#
A,BC56DE,FGA$ HI:J!2" $%&K #
# ' ! (D020$ FG~m$ $U
LMNFGA!
#
' ( (O-./PQ23401J3489$ :"# # FG\,$ FG01$ $ FG
# #
;<=>?@A,BC56FG,RS89! * T$U # $ $ #
# '/ 颚 ' 0
($ '/颚 $ ' 0
( !
!
#
VW' ! (X,YZ$ !J!" $%&,89$ :[U7 #
# ' ( (D/0$ FG~l$ a\
8,9J3489$ HIJFG,RS89+ #
# 0
$ $56/0FG~,RS~
#
-./0 ! ' ! ( !" !"#!$%!$%" &'(
#
# #
#
1(
)$ *+,-.!"&' )/&/01(!(%0!* " $ 2 # '/颚 $!
# 3! 4567! 89:;<+=>:;%?@
3456&71 #
#
$ !$% # *" ! ' ¡¢£8¤( qrstu)v$ wxy
#/ / 1( "&' $ #
$ "&' (!(%0!* z$ {|}~^! 1
4I4$
#
8!" !"#9:34;<=1 # ' !! (
#
#
!$% # .4 rsyz$)4234
(#
"/ #" . / 1( 0$!*(0!* > "%!%0
(!(%0!* #
# 54 rsyz()ij
(+
!* >$ #
# 64 }~^$
#
(!
!2" !"#9:34;<=1%!%0!* >! #
# 74 }~^v$ )ij ¡¢£
' ( (?@A>34;<&671
# ¤¥
$
! * *!$+0((!%0!* 1# #
% */ / (# , - " (!30!* 1($ , - ! # AB !7
" . $!*(0!* #
12 ! !! ;<=>?@A " . \]^_`7a # +, ! ¥¦§h2¨©ª«¬®FG¯°±²
#
9bc`7a9,de$ fgFGhaiXjkFGl # ³,´µ¶·§h$ ¸¹ºQ»¼$ FG§h»½¾$
#
m,56n$ @@Wo;<=>?@Agpqkrs$# ¿¸ÀÁFG,·§hÂìÄl!
# -./0 ! BC&DEFGHI1BCJKLM
tuv)& #
# N>OP&Q;<RSTUV?WXY&$ VHQ&Z
% & % * #
' ! ( / / / !
!
$ $ "&' $ * # [\]&$ JK^Q;<_`abcdef$ . ! 5 g