vDt ? ¨ ié?? D ?  1-1é? xOy ü ? =￥?Z?1 x=3t y=2t 2 +3b p  1 t=2s Hé?￥ê Oa ??F ?  2V t=1s ? t=2s? H W =é? êM￥vl ?Z_  3 s?1~0 2~1 s  HW é?￥ ü ( ?  4 E?Z?b 3 (1) jtitr vv v )32(3 2 ++=  jti t r v vv v v 43 d d +==  j t r a v v v 4 d d 2 2 == s2=t H  jir vv v 116 +=  jiv vv v 83 +=  ja v v 4= (2) jijijirrr vvvvvv vvv 63)53()116( 12 +=+?+=?=?  4563 22 =+=?r v  D xà?_￥C? °== 4.63 3 6 arctanθ  (3) ji jji t rr v vv vvv vv v 23 1 3)53( 1 01 1 += ?+ = ? ? =  ji ji t rr v vv vv vv v 63 1 63 2 12 2 += + = ? ? = (4) 3 x t =  3 9 2 3 3 2 2 2 +=+? ? ? ? ? ? = xx y 1-2Bé? xOy ü ? =? S H Yê? x =1m y=2m) ?￥ ?1 v] =10t v^ = t  b k p 2 e H é ?￥ê? O ?F ? O b 3 t t x v x 10 d d ==   b ∫∫ = tx ttx 01 d10d 15 2 += tx 2 d d t t y v y ==   ∫∫ = ty tty 0 2 2 dd 2 3 1 3 += ty jtitr vv v )2 3 1 ()15( 32 +++=  jtitv vv v 2 10 +=  jti t v a vv v v 210 d d +== s2=t H jir vv v 3 14 21 +=  jia vv v 410 += 1-3 Bé?  μ??F ?  t=0 H  ?1 ,ê? O jia vv v 46 += ir v v 10 0 =  p 1 ?i H Y é?￥ ??ê? O   2é?￥E?Z?b 3 é?T F ?? (1) jtittavv vv vvv 46 0 +=+=  jtittjiitatvrr vvvvv vvvv 2222 00 2)310()46( 2 1 10 2 1 ++=++=++= (2)  2 2ty = 2 2 y t =  2 3 10 y x +=  )10( 3 2 ?=∴ xy 1-4 ^§ 1 ?ú1 H? | &ú1 h ? |[ ? V_ ^ §?< |h??0￥M? ? v1  $ 3 ! xàZ_ ￡ ü_P?0?§?  ?1 x |?§?  ?1 x′?+?1"¤ V H h x xx H h ′? =  x hH H x ′ ? =  V hH H t x hH H t x v ? = ′ ? == d d d d m 1-4 °L? 1-5Bé? xà? F ? aDê ?US x￥1"1 a=3+6x 2  ?é?e?)￥ ?1 , k p  ? iê?)￥ ?b 3 2 63 d d d d d d d d x x v v t x x v t v a +====   ∫∫ += xv xxvv 0 2 0 d)63(d 32 23 2 1 xxv +=  3 46 xxv +=∴ 1 vDt ? ¨ ié?? D 1-6 Bl o? á?/ ???E ?T¨ F ? a D ?  v ￥1"1 a=A-Bv ? A ? B 1è ? p t H Yl o￥ ?b 3 BvA t v a ?== d d  ∫∫ = ? vt t BvA v 00 d d  )1( Bt e B A v ? ?= 1-7Bé? xà? X ? ? v=8+2t? t=8s H  é?e?PH 52m)b p  1 é?￥F ?? ?Z?  2 ??ê?b 3 (1) 2 m/s2 d d == t v a  m/s28 d d t t x v +==   ∫∫ += ? tx ttx 852 d)28(d m1808 2 ?+= ttx (2) m/s8 0 =v m180 0 ?=x wL? 1-8é  m=0.1kg￥l o?? R=1m￥????êM θ =t  -3 p t=1s Hl o ? s? ?￥vl?Z_b 3 3 4 d d t t == θ ω  2 12 d d t t == ω α   2 12 tRRa t == α 62 16 tRRa n == ω s1=t H   2 m/s12= t a 2 m/s16= n a m/s201612 22 =+=a amF v v =  N2201.0 =×== maF v  F v D MLZ_C? °=== 13.53 12 16 arctanarctan t n a a β 1-9Bé? ??1 R￥???é? ?üV￥?éD HW￥1"1 2 2 1 ctbts +=  ? bac1 ?è ? O Rc>b 2  p M_F ?DE_F ?vlM?- - ?ü ?￥ HWb 3 ctb t s v +== d d  c t v a t == d d  R ctb R v a n 22 )( + ==  nt aa =  c R ctb = + 2 )(  c bRc t ? = 1-10 Bf CD; ?{E u×￥ =?? R 1 =2.2cm? ?? R 2 =5.6cm?_{E á n=650 H /mmb CD? =; ? ?B ?;h?__?M?BH{E; ?M; ? ^[ v=1.3m/s￥??L ?  ?￥b p 1?f; ? ￥ ??b{ HW ^  $ 2; ??r ? ? ? r=5.0cm) H; ? ?￥ ? ???F ?ò1 $ 3 (1)   ???1 r a z1 ={E￥é1 rd rrn d2π  ;?V?t{E ?3￥ HW v rrn t d2 d π = ?f CD￥b{ HW min4.69s4166)2.26.5( 130 6500 )( d2 d 222 1 2 2 2 1 ==? × =?=== ∫∫ πππ RR v n v rrn tt R R (2) r v =ω  Hcm0.5=r rad/s26 0.5 130 ==ω  nr v rn v r v t r r v t 3 2 22 22d d d d ππ ω α ?=?=?== cm0.5=r H 23 3 2 rad/s1031.3 650052 130 ? ×?= ×× ?= π α M? 1-11B  ú[ 36km/h￥ ? q_ê? R H M?1 ? ? ?°/ ?￥?ˉú3 ??￥?D ?°Z _? 30 0 ?b p 1?ˉ M?1 ?￥ ￡ üs ?v$M? ú￥ ￡ üs ?v$ 2? ˉ M?1 ?￥ ? q ??$M? ú￥ ? q ??$ 3 ú1?ú?1 vvv vvv += 2 vDt ? ¨ ié?? D y x ú1 v v ?ú v v °30 (1) ?ˉM?1 ?￥ ￡ üs ? 0 1 = x v ?ˉM? ú￥ ￡ üs ? m/s10km/h36 2 ?=?= x v ?1 v v (2) m/s3.17km/h4.6260tan3660tan ==°=°= ú1?1 vv vv m/s20km/h7260cos/3660cos/ ==°=°= ú1?ú vv vv 1-12 f A[ v a =1000km/h￥ ? qM ?1 ?_ 2f?] H 6BOf B[ v b =800km/h￥ ? qM ?1 ? _ê ê 2 30 0 Z_f?b p AM? B ?￥vl?Z_b 3 11 BBAA vvv vvv += ê km/h917 60cos800100028001000 60cos2 22 22 = °×××?+= °??+= 11 11  BA BA BA vvvvv 6543.0 917 5.0800100030sin sin = ×? = °? = BA BA v vv  11 α °= 9.40α ' AM? B￥ ?Z_1_ ê 2 b °9.40 1-13B |  á ￡?[ ￥ ??/ Cà?B z1 a ￡ @ ?1 ￥v?b  1 ?1?? ?á￥B ???Z _? ??$ ?3 HW1  $ 2 ?1¨K ￥ HWV? ? ? Z_? ??$?rá I 1ê?$ m/s1.1 m1000.1 3 × m/s55.0 α 1A v v 1B v v BA v  v °30 ￡1 v v / ￡ v v / ￡ v v /1 v v ￡1 v v β α 3 ￡1/ ￡/1 vvv vvv += (1) °=== 60 10.1 55.0 arccosarccos / ￡ ￡1 v v α s1050 60sin1.1 1000 60sin 10001000 = °× = ° == / ￡/1 vv t (2) °=== 4.63 55.0 10.1 arctanarctan ￡1 / ￡ v v β m500 10.1 1000 55.0 1000 =×=×= / ￡ ￡1 v vx  /?rá/3 )b m500 3