Trường THPT Che Guevara Giáo án Vật Lý 10 cơ bản Tiết 9 & 10 – Ngày soạn:…………………………………. Ba ̀ i 5 ! " "# "! $ % !& ! " #$ ' & ()*+))+),+)-. $ !& % & $ '/ 0 ! 1 '/23 % & '() / (#&4.+4 + 4+5 6 )) ),708( ! . *+ 9:#;<3'//"=>">?4@A B &:#;<3&>4CDA?"E#FG2"HI!&@ , -, . /0 1 2 34565 7 " % J & $ K ! L4 $ K 8&5 30 (9.:$;5$'() (9.:$;5*+ :<7$ '/M ? '/ K '/M H DNO&PK'<F =>">Q'/MK MR;'/Q=S :?11T=HO'/ U4V:?GWX? '/M"='/U4V:?G X?'/YA:N CQ'/?'/2"N CD?'/23= '/23HNO&P#E$ U'/ &?Z XK'T [<?&U 'E &X708?; '/X?'/2K'\K MR'/M" >A P'/2]F K %;?X?'/2 3K 6??^'_ M`a'/23T bc&def4V:2g"f] (9.:$=>)? .@6A* B'E!hG (9 .:$ C3D7' E34F.@7 B'H4V:?G2 B%< BEO`a B'/Q^#&ii" '/Q_O&E4: 4j`"5 GH, 7ID.:$4F 'O A 2 3 ? OAH4V:?_ G2 J.:47$6C4($ 7ID.:$4F.@7 M/Mkl ghuyểnđộnThờigianc gtrònĐộdàicun 87I@.:$4F.@7 'OA23?'/ H4V:2?H>A P&X2? Trang 14 Trửụứng THPT Che Guevara Giaựo aựn Vaọt Lyự 10 cụ baỷn D 4Z G m [#hGm g M'/M/"T[ #EC&?On&<A =&Q'/K M'/23"4ZG =]?G2P=" =>#DN &<A=&&?21h O C ] $R j 3 13Q'/"P;G _#EC&=>? 'THOE1c <'/23] #K Y> E1 c ] P 1h?&;?K = oHP>A? ]FK 6??^'p Kt lun: M'/23> A?Q=?#j M'/23"; $ _:WP:&qO& #E"$:H13 #E " d O n 4ZG]dOn UQ'/G: ] s X? AG = >H O< FK6UQ => HNO&P#E$UU Q =>'/M/K 0[PrO#W` 3HU67 s$E6)*"S'/ 23#Y?`F<GQ ='/]2 $PE #FtY4]_H kO<?;C] $R4=&QE #FtYK 8 v # O C ] $R =&QE#FtYD" @A1h&_:] &UH?>AHQ'/ 23"#FC? (9 .:$8C3D7' E3)=J<A B8EC&>A(l$u. B 'X #h G @O4ZG] W B s v t = B s v t = lv_*&u1l)"pv&u$ B '/M/e v => H 1 [ U 4V : '/"3[U3'/ 6UQ=># j$>4EP'/ '/23e v H1 [U;1;QG 24V:"U j (9 .:$ K C3 D7 ' 'E3J.:$LM7CM N+J 67 01!F O P -Q Q O PR J.:<A 0X$?A?2&? =]dO&Y;Yw #hGS@ s v t = X?>A?:Y M'/23">A? Q=#j S0)=J4($ 4F.@7 s v t = =>'/2 3H1;1; UG24V: 8J.:$L7CN +J a. nh ngha. t = X?>AHQ'/2 M>AHQ'/? :]mH&?E Trang 15 s Y v t $ Y t Trửụứng THPT Che Guevara Giaựo aựn Vaọt Lyự 10 cụ baỷn %;>A?;4Z G=]_` GP>AH; 3PK'HOFm< ?K 0E#EC&>A HQ'/23Chỳ ý: tc gúc ca C trũn u l i lng khụng i. %;Hl(.? Gl!($.P>AH m`PK 6??^'v M\#&!<4 ]_2P;l,x$"G XH?#PQ#&! '#PQ'/23?PK 'H`?PK 6??^'* %;#P;G= 4]_2P_:] HX?^$>;$>2 =4]_$ ; O < F ^ $>K /`QHK 6??^') M'/23>A? ; > A '/ # j UQ'/j" >AHH$R=& Q E #F 4V : 6 : ]?H4CU #K%;HP4CU K y?&;?OF>A? 2K 'THO;:I: #FCK('Thp; 1PH. Md<d?=1" E &??^', %@ : > '/Mk//e #E C& N O&" U"5K M'/23HAU= B';H&?E#F >U=4]_ `G M4] M_4]_ H t = Bu$ B p x"_x) ,x rad t s = = = ữ B?G=]; _2"`?$ BM_($.E#FtY 4z_H(. MM($.E#FtY4z _Hp(. p T = B _ f T = "H`?6{ BMM($.=4] _2 M_($.=4]| _ f T = B /A?lE#F} HI!&@ B s r s r t t v r = = = B x"x)pv v rad R s = = ữ (9.:$TC3D7U$ ;5 )S0 $5 J 4($ 4F.@7 B'E!hG!~Q 0 #FtY4z]_ `G M>AHQ'/23 ?:]#j b. n v o tc gúc. l_+l_$ l_u$ c. Chu kỡ. '#PMQ'/23? GO=]_2 p T = /`Q#PM?($. d. Tn s. M^$>|Q'/23? $>2&?=] _$ _ p f T = = /`Q^$>?6{N 2u$ e. Cụng thc liờn h gia tc di v tc gúc. /A?lE#F}HI!&@ s r s r t t v r = = = , O VW % U$;5)S0$5J 4($4F.@7 Trang 16 Trửụứng THPT Che Guevara Giaựo aựn Vaọt Lyự 10 cụ baỷn > # j U Q => j /: ]N$R;jH ?>Q'/23 'E & X 708 ; >'/G3H NO&PK 0[6))O}!R 67UQ => v M '/ 2 3 > ]}E`m<?K P$X>'/ 23?>U!&K 'THO#;=3 >U!&K 'E &4$E6))ZP& <FAUQ> U!&K /`QHK 6??^'- BM ?hG!~ Q0 B v a t = (9.:$XC3D7.:/U ;5$5JU$Y3 B yU?!&Q 4V: B p p v r r = = B&u$ p B ( ) p p p ht r v a r r r = = = v a t = M'/23"= >HAU#j" HUj"'/ ?H>0> '/2 3 U ? !&Q4V:X? >U!& :/U;5$5JU$ Y3 p p v r r = = K;$JM<Z<F 0H&@:D#;<4X? 3??&?=1708?`?;1 %[\] _'OAQ=?U!?OA23K o'OAQ_@ii k'OAQ_&@}F} :1 ''OAQE^} :1>UGi} "} :3 \'OAQE^} :1>U&NG"} :3 p'ncõu saie'OA23HENO&$e osV:?G2 k =>#j 'M>AH#j \ >U?!& v'Xcõu saiE!$e oM:S<O&?4V:" >U!&[3U = > k0>QOA23#DO`$RJh&3AUQ =>&?2O`$Rj3UQ => ''#P4?_m$> \/AUQ>U!&nC`UE#F *YA;E} HE#F*x&"43_xx2Gp$6Z}E`e M^$>QE} K o*x2u$ k,x2u$ ')x2u$ \vx2u$ M>AHK ov_*u$ kp_vu$ '*_vu$ \p_*u$ Trang 17 } _ v p v Y p Y _ v _ v p v t . 10 cụ baỷn D 4Z G m [#hGm g M'/M/"T[ #EC&?On&<A =&Q'/K M'/23"4ZG =]?G2P=" =>#DN &<A=&&?21h. M'/23"= >HAU#j" HUj"'/ ?H>0> '/2 3 U ? !&Q4V:X? >U!& :/U ;5$ 5JU$ Y3 p p v r r = = K;$JM<Z<F