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dynamics4 - w 60'9” IMP I 200 739/5209" I...

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Unformatted text preview: w 60'9” IMP. I 200;; 739/5209" I QC'V.))[email protected]&IMI 3&1!ka if“ . .1 ,9 - I .. I 2L EF yin/1a,}, -. 1000 -" ‘ . ‘- 1b?“ ‘33“; r 3I 055 : '9 tooth-42009— Show; Cay 3’00: wow”; .3! 0,96%? . flay; w TX 5 ?6._’1";3 2 Z W _-~w ”MFR? El” 1'!‘7‘3?T;:" ,__I ”I 1:..." , I, . ,mip§_-.:._-::: 1: MI I . .1: _J.. . ’P'T‘P__t- .z; :. w r- 'r a9 959g «599 ' I I "' I ‘ I ‘5 __ 3 :32 5 I I. f ' ‘ " I . I ~. ~ = m av J99. *9 95.793. 9.29? >5» fizz? " _____ 4562521910099 " 'ingflszzé édgf'ih 967609) +7 99:95—— 39 9:3 9 927—— 37 937 F29 ’ ' my) Q§s7¢93§agv ~ cm : QEHLM 3-999 9:: 8 a r33 1399:? 37 '48 Ft :o ‘ . ., fi.,,.,, ,..-. g... .r...‘£":.'I-'pl.”.'nv‘ .. 'wv tin-W - - ‘ “F ”‘ ‘ ' ~ . I ' pk - . n . ’ ‘1 . 8) An object?) is fired, from Owith an initial, velocity of GUOm/s at an angle of 30° t9 the . hofizontal. At the same time a second objeet(Q) is fired ii] the opposite direction ivith an! initial velocity of 500mg at angle 8 from a point level with 0 but that is IOOOmjmm O. Ifthe ebjeets cpflifie as shbwn find' the ngWhich Q was fired, in) the time of the collision, c) e radiusfofeurvatfiie of object P a. 0.8\ econ; ‘s. :3 figs/me?“ ~41 .' 3??f2f/'—:§C>O 5;wa .. ‘ ‘ ' 'r—~—_ Vfgf‘m‘SODCc—C’ “:32"? 3001230 we)» 5’33fi’70 ( 1/?- “900 ' / ' ' - 5; ZL: fooaa5jé,}3’7Z;/m0 ‘ ‘45? - figlaéX7q>+fflfilflfixfi 0 Q; Aoowsiio 7 ‘fi/ £36 (415]. = . ”fiq‘i j, may: [(13 £53; - L62... ‘ ,. f—Jiv’fl ‘ ‘ . , ‘fi’rflqfi 1:19 "’ ‘30:? m5 9:} @ 3:500 cos 9i<h4 (025:0 $457629 (9 -=_>A’ macaw ’ “15006059 +7000 @6 f: ”’zgff‘? ~£~5005n123rfi1£ [Slag/52‘ ~x= “5‘50. £65954.)on Sifiréfif'f ”image“; 435/21 wax? ' 5H 5135 +¢Ka¢2fi Mafia _ ' 63!“? éififflcfim - ‘ 217:; f,o§§?{:’¢ 3f+300f3 “351?? woajiufiz" 6;? 309:. flj‘aofigdgé’e” 5“ we» '\ 71’ '. mamas ,..Kg?”ii’déEPfééflfv?€2,/m “gr-.1 511515 23 +2f'2. )5? 5‘ »./3-;3-_/;-..5?g-; H5 flfi % 7:» LHE5$.5L}C7 fl '. 2:? e ‘ l 3) The searcfilight casts a spot of light aloiig the face of a wall that isdocated 200m from the searchlight. When {BM—"30°, the velocity and acceleration of the searchlight are 3OQm/s and ‘ '100mfszxespectiveiy. {‘Epr this instant? fmdz a) meangqlar veleeity and acceleration, b),13he fate of Chan e of the radius, 0) the linear aeceleratien in the direction of inereasing radius. _ ‘fifk ¥-. ‘ 3 Ti}.- BOXJN YOURANSWERS _ . {x 225.775; :2 30 ‘9 V3300 :1 KIM/e- MOO 53.n2:\.,( A a I 69]" a3 . a {“69 E?) 21% IM4(( B76) / L; . fl ‘ were? - ' ' 53%54?efl/;' {La/5, 47 50595) 1 I . _ I“ ”3’ . w 5&7 {gm/iv ,«o ' m c r . 052 é/I7/04. : fig, 2, ‘r... Q)-—pg__5¢3 . _ .' ., 24x . ad“ (930 fsaGM/S exam/~15 :5; <95; 21 61(9_ 5:02:59 ‘. ‘ '1— 205 ‘ #533974. my. {‘94 a 7 _C r»- @an +(zgm9 1r r58 nu 2":P'r"h {‘13: 15:2) -- ~ : '50:: (5'33 ' "“ {9,4237 ' c" - . '3‘. . 4) For the sygtemshown, bIQCR A‘andIB Wéigh 1001133 each. Ifthe coefiicigni; ofkineuje fricfion ‘ under block A and block B 1:80.20. Find: a) the acceleration of each block, and @313 tension ’ the cable. - ' ' ‘ ' 30X»: YOUR ANSWERS - ‘ «TésreL " ' DYNAMICS 1) A weight of W lbs fal‘zs frq’m rest. ’I‘he resistanee of the'air is proportional to .the velocity. If the terminal speed is 173 ft/s, find: 3) expression for the aeoeleretien of the objecit, 13) weight of the object, e) Velocity at the end of 10 seconds, 6) distance fallen at the end of 10 seconds. ,. ' UJ ' ‘ ‘ -' . ‘ ' ' w - a 173 BOX IN YOUR ANSWERS ;:1 }é: -a I i 2.7!}; 7 s' \ ‘ I l : _' _ ‘ — I) " 'CJ'J’JFJIf '3' r .MQHF .) . J ,suisaEETs cf! {’35: mm 3323: UN?!) 00 DC.) 1—64 war. war" 38$ 22%: . 55:“ "27‘ A bpy'thijows a bail horizontaily with a'velocity of 45 mph off the topof ail over~pass~in—a_. ' effort t9 hit the top‘surface AB of a passing $¢mi~trajlar traveling at .a CEEE‘LEgt velociit of 35 - ~ mph. Iftlfit'oip oi the truck at B‘is’at pomp? gt time (a: z 0), find the range of ti 1 he boy ‘ can waif Eéfoée- throwing the ball and still hit theytmck. I ‘ ' 1‘ a 2 t I 3- . K~“ 35,5:- .. i 6.33... . .‘ . . g . BOXINYOUR ANSWERS . J ' Dali -_ : r f Qfl‘é, .t , ' ' ' = J z 9 f , .W a J $ 6‘ ‘ ;;}€ 1‘ . j: . 9_ G‘ ' — .. i : 4» ( .m. : -"' ’ ’v -‘r‘ ,, :- 1 a 5 1 E. s g} nr '5 .' s z ’ a )j'fi'swgzdii S) has been hooked by you iii hoat' B. jfhe caught fish 13 moving initially at a éqdicity of 15 s to the East and accelerating at lmjs'fi. }If initially the boat 18 at rest find: a) owfi'fast the fishing Iihe' 15 coming off the ree1,b) the acceie’rafion of the line as it exists the .'_ steel After awhile, the swordfish Starts to curve (dash lines) and appears to be heading towards the boat. Your captain decides to start the boat and head due south at 4 rule If the swordfish stfl'I' has the given conditions above,- find: :3) the velocity and acceleration that the Swordfish has to yeti in the moving boat when it is aipoint C " 7 W BOXINYOURA'NSWERS' ' i - " is? H \/ “‘- HMS 2:. {114/5 ‘rr-I- \Jr 90's :58. ray-ii ' I €603 (00 (‘3me [U%)k : 7 5M5 {$33,}; 90: 3 4’1“- qgfvcmk" , gnaw ---~ ‘ ' - m. . , . WW“ '27,??wa ‘ 4) The system of blocks shown balow is roleased from rest. Fmd: a) aodeleratlon of each block, b) tension in the cable(s), o) distance travelod by block 13 in 3 socomflo, anti {1) velocity of A ' ‘ ' relative to B at the (and of 3 seconds.‘ 0100* L.‘(}fiQ-'57.ZE was)"; ‘ 2,73%}; .5500 a. Magma; 2,7,?51945 ’ 300 ‘3 of 1M7 1% x “3% ‘ , ' \Ja‘, —q.%o}t+o vaafi3sec "K” , ' -..,..M_\ W W: 7%;aosfi\ Va: gar: (mi {3'- am T: 01. mam +3¢o LfL‘R 311C qflb)#bflé] Sac; “ cm 4' .4» 1 ...
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