IDMotion[Spring_2010-2011] - Physics I Pre Mid Test — 1D...

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Unformatted text preview: Physics I Pre Mid Test — 1D Motion A Spring 2010 A person throws a stone straight upward at an initial speed of 15 m/s on a bridge that 15 25m above the surface of the water. If the stone just misses the bridge on the way down, (a) what' 15 the speed of the stone just before it hits the water (b) What is the total time the stone is in the air ("I \fg ’ __ _— — 1;..‘hnmmn (c9 \r ~11 ~ “sews : 1 +01% \fi¢‘{~l §MQ5\ ~:_ ”Zaxlef3? . 1| %0‘ Q‘s-M/ \‘a"; Smii ZS‘M : $1, I . ‘4‘ - \€§ ~13K9'Uflaflsz _____;L_ um V: “215—“qu , \i»..-L LQVW‘A‘MLS ”\QE. ‘LQf‘A—QJQS Q9) \1 _\10\ 3’1 MK ’1 ’r'wsx ‘é’sv' Sww \ys’v 51:95“ &%x Netikv W“ V2~1€=f~1xwu 3., "1—; ‘43“ : \S‘-—(——1€‘%qj { tag-fig}; :A—zfigk “\th ' ”it: W‘l‘ss-ek / Physics I Pre Mid Test — 1D Motion B Spring 2010 . A car accelerates with constant acceleration from rest to 30.0m/s in 10.05. It then continues at constant velocity. Find : (a) its acceleration; (b) how far it travels while speeding up; (0) the distance it covers while its velocity changes from 10.0m/s to 20.0m/s. :3 625:“. 33w“. 1v,Q01§( K919 I )C‘ a ; ' ._ \ sax, Mugufiv‘ H Q F’WCX'Q ; 51 K634 5_ V1V0*Q'\ \S°_ \IZEOMKS Ox 1 “‘V“ .3. 3°—° ‘E lo Ex: “bvq; Q \T-rqux L K . C. __. . 0 “kg, w‘\-¥.‘Q§\md5iw K5: \le': \omls / \i: Loml; aU-‘rm?qv-th__ .5M\§ g} 5“ m“: \ifi‘z View max _ fl. 1 at ~..____«‘—-v: _. w—w “Lax K1\K‘fi\ AER ': ”3° M Physics I Pre Mid Test — 1D Motion C Spring 2010 A stone is thrown from the top of a building with an initial velocity of 20 m/s straight upward, at an initial ' height of 50.0 m above the ground .The stone just misses the edge of the roof on its way down. Determine (a) the time needed for the stone to reach its maximum height, (b) the maximum height. (c) the time needed for the stone to reach the ground. . v=b Err 53:3qu WS/ \/:0 ”.3: t1 “WI—i3 5k)? SHWS 1 8 'Paé‘+mq,Sa Sam 1 “WK ”h1- \i°"\l ____ Zo~0 l 8 0v? \I/ éimud JC: '2-~°‘-r<;_s\q_ Kg“ .,_ 1.. (b) \r =\:.— 13mg; +\\‘:°/ 93k“ \A:‘3W\ «wa fi‘mv$\\m\&:el 3° gs :Sok Se Ozma—zak‘swsxta) I thug: \fifiv‘su/ b _ K103 +30 Rim-<0 V ¢ €5“\’Mé\,— Mm; 820/ g- V‘ = Q3 — 11 Rex-<0 Lo- 33: / \11: we.) + 0W, \X: i3? »\§V“\S , \‘ NON Qg: °~$f+ihk EN, SJTGVR-h YQ‘K‘MMXYDUWA/ g“ “JV” "3” ’ M Physics I Pre Mid Test — 1D Motion D Spring 2010 ' A helicopter is ascending vertically with a speed of 5.2m/s.At a height of 125m above the earth, a package is dropped from a window. How much time does it take for the package to reach the ground :2.ch we, stead Ell—tux IK \: *K\°¢3°¥?qqh3\'3\€v V i : Balm}: mswavmk 0!) _ _ “T_ _u_ _ _ “kw.\lc.‘>‘l’xv'l>os\ {gm V1.1 \3: ~13 L‘A \\5’3 11‘ l 33?.“ QQKQ‘SRJS am i . 1 / 5° ng’rk Sun/fag E<W§R3ijs=n/ \- w“: s-xr-\qe\.u\[v Has-3 / \‘I‘e Z1:-o‘i+ L‘ks‘o / ‘- T‘L ska: N's Physics I Pre Mid Test — 1D Motion E A motorist traveling with constant velocity of 15 m/s passes a school- IOm/s. Just as the motorist passes, a p with constant acceleration of 3.0m/sz. (a) How much time elapses before the officer catches up with the motorist ? (b) What is the officer’s speed at that point? (e) What is the total distance each vehicle has traveled at that point? Spring 2010 crossing comer, where the speed limit is olice officer on a motorcycle stopped at the corner starts off in pursuit M V: EMA I _._-———-e= ‘-—"' ‘o | | I I l __---J__—— — X.='1' dLLS‘f 5 l. ‘ k. {*kfifn:;c:fkhq LR? {Q X‘— ‘Ku+\le‘t+ ;£__QJ;‘ Ev“ M$oi$$’\‘k\k\/ \r°__\[:<M$—\mc§5° Goth) Xa=° X“: ‘4": av gamma, \Lw, ov— W35 Xv“ .. X?“— —,‘z Griz?- 1:: *{W divs.“ °§§ 'ukkv @fihgs “170‘s?“ “"Dfiflfi, Sb ’ ' KN: XP 1 VV-l; "; acct / L __ 2N0 __ (2)05) t- ‘3' - 3 f I 3t: \Oéqg. Q \J:\ID+G‘-rt \] -:. o—‘(Gdkkb V \i '1- % o “is . I @ $:*o‘\‘\lo’\.+:?—:Q3i XM: 0+Lig7w)+o «.— \So‘M 'L $17: a +0+KL9(?3U0) : \Spm Physics I Pre Mid Test — 1D Motion F Spring 2010 ' A girl standing on top of 22 m high building throws a coin upward with a speed of 8.8 m/s . (a) How long does it take the coin to hit the ground ? (b) How fast is the coin going just as it hits the ground ? L @ \kflzkjo‘EVQJC—“Lz-SJC TMCL sawtohw :, 'Z—QM/ 5° EL __._ ZLM t'.’\"iM\—§-6" condus+ Agawitgiis j‘rwudf mus 3:0 I D —_ 21+ <53 J: —Q.:)mm ’2 I +-C\Jc—<a-<e h - 222D 5U + <6 s i\i Pixi— m Kw) $21) W Li] Uta) / 3C: Gui —_\; “*TLHH— “Fifi-1 :+’3'?—uis~\,t_ M L. 1:- ‘3.2_sa_\ \b \r =\io- 3): O ”Qt—am find V 0* sfiuud/ mks. Ac: BngRS: \. \s: 4% -Kq.x]&3m):—-1‘LS§ w; \V\: 2.sz “(S /. Physics I Pre Mid Test — 1D Motion G Spring 2010 A bullet is fired through a board 10.0 cm thick in such a way that the bullet’s line of motion is perpendicular to the face of the board. If the initial speed of the bullet is 400m/s and it emerges from the other side of the board with a speed of 300m/s. Find (a) the acceleration of the bullet as it passes through the board (b) the total time the bullet is in contact with board? t: Z-CGQ &\;L 31K Physics I Pre Mid Test — 1D Motion H Spring 2010 A ball is thrown vertically upward from the ground with a speed of 25.2 m/s. (a) How long does it take to reach its highest point? (b) How high does it rise? - (c) At what times will it be 27.0m above the ground? V: 9 @ \Itwo‘fii' .1" \l = o de «4 8= “:3 “‘9‘?” . Vemdm ‘K‘w‘ s V05 kw“, 3' I @ \rlz \i: — 23 b$~$°> 3 :3”); MM \fza ”(3:ch fiwvw‘ngek k‘tkkfiwmtfi‘: 13.“, S- . J ,0: \IE - 7—3 Kgmx’u‘xJ 1 . . . ._ . $11 igni— NJ: ‘4. 4.1 €_’L{~‘Lt +Q;——\-‘o q~<1+ kicks“ _SL_L_‘H\W\JV\ \M 34“ big békckfi 31—. * 7-5“?- ik— 1$~1)L—\+\W\)tn) 7’“ QAKLK") 2312-403 1 §'L AC: (L's-"L ‘i‘.\°‘3 k": ”fig?” ~ N (M / ’21: 2914“” : 3&st °i-‘( A\‘\ )L\~‘ MS‘Likk \gfia E§\\ u? Q}$\ :5“ G) L%:1‘%N) A )(11- 3~Q12x\ SN M§Ruxfi “T‘Skmg KKA: 21K) Physics I Pre Mid Test — 1D Motion I Spring 2010 A stone is thrown straight downward from a top of a building 26.0m high with an initial speed of 18.6 MS. (a) How long does it take the stone to reach the ground ? (b)How fast is the stone movingjust before it hits the ground ? E9 3:30“; - 1,: 3% ”'l—OACK, nguté \w& 2:. 7.2,“), s. B o 7‘ 1‘6 M k ‘. ’l‘ifl. §~ $d‘wmv 3KSJV Ligy W kl’l'S'l-LS‘CBV‘awtd, fldfl'r’ er kiwi “5-: -- \“£N\Sr $0 °“ 7* ‘ '3'“ flaw-We“ ‘t‘vc‘ + ”5-6 Jq ~z_€:o 4L1 «ls-e :t‘ll‘c- l?'$)~ lei-15433545) I £-A\<€_gi\l'gl+e*50‘\'8 £2. -\%~Lt 2.8.3 8-3; "X 3: / ‘12.“ \laz—l?«_g\\s JC‘J \‘33:k\ "\11-\\‘Q*‘K\R\K\-a°3> , \i: SM AmSAT $¥WN§£V {1% “Sewfix” \ 7. ~—- 1%.‘5 Vex; ...\~\\"~ may-5‘“: Physics I Pre Mid Test — lD Motion J - Spring 2010 A jaguar car can reach speeds of lOOkm/h.The fastest man is capable of reaching a velocity of 35km/h.Suppose a man and a jaguar are 0.5km apart. Assuming that both man and jaguar are constantly running at their top speed, how long does it take the jaguar to catch up to the man? The W mM‘m Cow‘s; o\ 6&5)?» R’V'k’k: s AV‘WKH/MQS’” Mi? Dusky— $13‘VWKX W 4; goo) s? Q: m 5mg: wad ’mAqxn \K MW. 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