1. 2 a b . 7. T 8. F 9. T 10 F . . . C 6. b . . distance is total slowing down . 5 a is Negative the same travelled divided by 11 T . . No b) Yes they 're always , 16 Yes in . . . , 3.5 P 38 G : at . R object does not The : = 2.0s , for move I = 98m15 -417 , 1 Vi second = Omls od : E- : od = 5 : od = ' vi. ot-Yza.at 4214.87125 od =(4. 9) (4) od = 19.6m . . straight a 18 they have 17 Yes range and speed both decreases . 39 12 amount F. . . . , the total 14 F 15 a) 19 4. a Aug speed , . B. T 3. Gi Vi R : E : s : S . 9m/s , 4- = Omls , Ot -3s - ñ= ? a=Vf¥i_ 0-9/3 a= a ' = =-3 The acceleration is 3m15 [backward] . to line . decrease their speed . of time . Omls [forward] 9.com/s,ot--2sR:ir--?E:a--v#fs:a=9- 40 a) G . Vi : = , Vf= % 45m15 a- - b) 2×9=18 m 100-18=8 2m t -1=4+1-2 = 2s -1 (82%9.0) 2+9 = . I II. Is = 41 a) G : od = 50m . R: - Vf=Om1s Vf2=V? -12A od - 0=202+29-50 ' . - look 400 a = - 4m15 S : Acceleration b) , a E : s Vi -20mA , 4m15 [backward] is Vf=Vi tarot 0=20+1-4 )t -20=-45 5=-1 42 Gi . Vi R: a E od : = - 5m Is , Vt Omls vi. ot + - - , D= / om , Ot -2.2s - Yzaioti 10=(5712-2)-1 Katz 25 ' s : . = 10 11-1 Yza 14.84) 2.42-a I a- - 43 . 041m15 G : ñ= 9. 8m15 [down) vi-10.com/s-LdovnD.ot--Or5sR:odE:od=Vi.ot+Yza.ot , ' s : o 'd -110 ) (0.5 ) = ☐ Yzlf 8) (0-55 5-1-(4,9×0.25) D= 5- 1.225 = + . 44 increase a) . b) height = '¥g =Em -5/4=6.25 M = 46 Gia . 2m15 -_ , Vz =/omls , , hi = Omls R :D d. =EaÉ dilot ' It f- = lot C- =/ 0s od=v¥ od =/0×10 cod -400m VI=v? -12A od b) - VI. = VI. = 2. (2) ( 100 ) 400 Vf= 20m15 47 G : Vi= . 100km/h __ 27.78ms , Vf=omls , ot-5.us R :od= ? E D= / ¥ : ot od :( 13.89 )( 5. 2) od -72.2M - 9.sn/5-LdownI.Vi- 3omls.Vf- 0mlsR:otE:Vf- Vi+a.ot 48 .a)G : as 0=30 -9.8T -30=-9.8 t - 3.0kt od=I b) od = vt-lomlsvi-3omls.a-9.fm/sYdoun) c) 3%9.8 ) - od -46m Vf 10=30+1-9.81-1 - w= -9.8T , a- - 9- 8m15 Edowr) od-vi-ottka.tt 0=301--4.91-2 - 3ot= -4.9T -3054.9T 6. It ' - - Vit at -10--30 -9.8T -40=-9.84 2.04s -=t od=0m Vf=lom1s[down] Vi -30ms - , , a=9r8m/5[down] Vf vital - - e) d) 4.08=5 Vitaris EPI , 49 a) -7 -4s a . ' . ] , co : a=O b) a , I ' É . - 5-4%-9 , t :c } a="%¢xz : : -10 a : -5 1.25m/s[NI A h _ 0-2%6-0 a= = 50 a- - - - - - I. h=Vit+%a É h-vz.ttyza.li h=zv; -19.6 h' 10th -490 - ! zv -19.6=101-490 Yost Is - - 8V= -470.4 ✓ = 58.8ms h=2V 19.6 - 4--2158.8 ) -19.6 h -98m - 55 . Io.49m od-nvg.t-Yza.GE 0.49=4.91-2 ¥f=E ↳ 10m15 a= Y=t Vg=0m/s 9.sn/s2-LdounI 0.3kt dg= 0.49m d=V☐t d -110310-32 ) 4=3 .2M 25km 60° 57 . F 0-1 . Ed , -_ 20km D- =/ So -60=1200 E- a'+ 5- 2abcos0 did 5=202+252-2120×25 ) (05/120) ( =D , -1dm ✗ + dzxtdiytdzy d=O -1255in / 60) =/ 202+252-1000005420) =/400+625-(100031-0.5) = =Do25t5Ñ 21.65km dy=( 20 ) -1405 )( cos 60 ) =JFÉ c-39.05 , -32.5km ' E- a'+5 c. =/21.652 -132.5h -1468.72+1056.25-0 c-39.05 Tan -0=2%65/32.5 ① = Tan"( " 6%2.51=33.670 - 58.04=01,1-42 = dixtdzxtdiytdzy dxtotdixtdzx =D -118340523 ) -7.36m dytot=6 - (8) ( Siris ) -87 =3 tanf -187/2.36 e=a4,5 c=hisÉs = 7.9M - ' i. tan I 21.30 (2.87/7.36) [ E- 21.30N ] i. 7.9M 59 D- " , " or 725° y 15m15 -4=1 VT=YtVz = Vixtvzxtlhytvzy Hot -115) (2) ( ( 0525) - = 4,12%5=0.82445 4. 12m15 Vy -14=0-1112)(sin25 ) 25.07ms i=a2+b ' Tano -10.85+1.012 c C' 1. 3m15 - i. 1. 3m15 63 . 5.07%5=1.0 / 4m15 D- - - 160¥24 =tant( = Ew 50.90N] 50.9 "" 4/0.824 )