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Unformatted text preview: Assignment Previewer http:/lwww.webassi gn.nct/v4cgi phils@lsufas_sigﬁments/ preview._tp1 .....................................__._.........................._..._........................................._.......2.......A;...;....... 1. HRW6 1.13.005. [51703] 013 points
Earth is'approximately a Sphere of radius 6.37 x 105m (a) What is its circumference in kitometers? ' 14 {9 k w a 3M 1 : l‘ﬁir '—
tbﬂﬂﬂwﬁy v‘tkm (b) What is its surface area in square kilometers? 1..
I 510mm" x km2 ’4’” “P
(c) What is its volume in cubic kilometers?
1 09 y ’2' K km3 177 l‘ 3
a. . if? I W 2. HRW6 1.P.002. [504901011 points Two type of "barrel" units were in use in the 1920s in the United States. The apple barrel had
a legally set volume of 7056‘ cubic inches. The cranberry barrel, 5826 inches. if a merchant sells 60 cranberry barrels of goods to a customer who thinks he is receiving a pie to??? 3 if
_ Whatis the discre anc in the sbi ment volume in liters? 59349 2. ~ (  )
' '  , XpL y p C ("an £0059»? I r ' a. .5429! 10f6 3. HRW6 230.02. [180987] 015 points Figure 2—13 gives the velocity of a particle moving on an x axis. 13:0
Figure 213 (a) What is the initial direction of travel? ml {=0 7),; negate f‘ can Not
determine 8/1308 8:23 AM i
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determine pér fir/CZ CPOngig 1‘ negative
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determine 0‘“ ’ f '
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(e) lsotant or varying? ii Jr be
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t" Garlingt éeCawg ‘7’ 40205 ‘ (5 determine ILLe, SLM em; 6/?
7),..t (teensre/QL 5 (2%)! ﬁaéé mega" Mm /
rS 4. HRW6 2.CQ.08. [180988] 014 points in Figure 215, a cream tangerine is thrown directly upward past three evenly spaced
windows of equal heights. CT: CW T0413 él‘ike’ 2 of 6 8/15/08 8:23 AM http:l/WWW.Webassign.netfv4cgiphils@Isufassignments/previewIf}? Wmuu . Assignment Freyiewer '  . http:l/www.webassignnetl'vétcgiphils @lsu/Iassignments/preview.th Figure 2—15
(3) Rank the windows (greatest first) according to the average speed of the cream t g. ' e while passing them. .
‘ 1‘ a ’3 M (LT 5085 «70 vie“J m 1/:739‘3 t I“ all tie (b) Rank the windows (greatest first) according to the time the cream tangerine takes
to pass them. '  by: yea/9+ U) t7 0” 25;. I [Decayua Que/M
t ; wort?) wdéde '9 Jamie’s” afar1} if" up?) . ‘H’rﬂ C it»; cynic/$25
(c) Rank the windows (greatest first) according to the magnitude of the acceleration of the cream tangerine while passing them. par gala ._ 6) $0 Jim/59. “5‘6 (d) Rank the windows (greatest first) according to the change in the speed of the
cream tangerine during the passage. r3,1,2_ R ﬂy,“
V», vs 53 t d 9.!ng gov: V429 algae Cm A) 3 of 5 ' I . 8/15/08 8:23 AM 1‘ all tie Assignment Previewer tof6 6. HRW6 2.P.034. [52223] 013 points 0 l 2 3 4 Two trains, one traveling at 7’9 km/h and the other at 145 km/h, are heaoeo towaru one '
another atong a straight, level track. When they are 940 m apart, each engineer sees the other's train and applies the brakes. The brakes .decelerate each train at the rate of 4.0 m/sz. _ http://wwwivebassi gn.net/v4c giphils@lsu/aé,si gnments/preview1p1 5. mm 2.P.'oo7. [522041016 points The pesition of an object moving ina straight line is given by x = 52‘ — 6 f2 + "H3, where X is in
meters and tin seconds. ' ' (a) What is the position of the object at t= “ls? 'm What is the position of the object at 1‘: 2? I CI 2 2? m What is themﬁmsnimtion of the object at 1‘: 3? t iye em gWhat is the position of the object at 1‘: 4 s? l 341 em  . (b) What is the object's displacement between t= O and t= 4 s? AX “exalme A 3 3g m 1 37’2— = .0
(c) What is the average vetocityfor the time intergft’fggm 1‘: 2 s to 1‘: 4 s?
"t K We Vi v'c 1 E’J‘. =
/95 «qa (6) Graph X versus tfor 0 <= t<= 4 s and. indicate how the answer f:
on the graph. (Do this on paper. Your instructor may ask you to tur'r' Lu
0
0 position (m)
M m
OC)
0 o  21.9 “G O Qa3%' time (s)  C: 0t 2  l “’81 (a) What is the braking distance for the first train? 2
1%! Km ' Niel/stricter I
’(b) What is the braking distance for the second train? WWI V452: q. l
9’] r ox=‘ ” t 1 X m NE A L 24
c is there a collision? “Mr” _ 2. I
~LZLWU 5  : _______._.—_  r not enough “Hml L l' ﬂea
,_ .22)  r “5” __
m 5’”  we” '4??? >9: ‘ " Assignment Previewer ' http:l/wwwxrvebassign.net1'v4cgiphils@lsufassignments/previewIPl information I
a 7. HRWB 2.P.024. [52216] on points how long would it take to reach a speed of 104 kah from rest? y: ya eat an??? as V = 299/972 Lilé 7:30 ._ r f“ The head of a rattlesnake can accelerate 50 We2 in striking a victim. if a car coulddo as well, I . 7 (A :— "‘ (dgmﬂ/anj
A hotair balloon is ascending at the rate of 13 mls and is 64 m ove the ground when a
package is dropped over the side. a u: t 1g I": 2' _
2..
F (A
(a)'How long does the package take to reach the ground? (7'9
l Eds thWay‘éfct LO ([0) With whats 'eed does it hit the ground? ? “AJAX/a 35 “4310/: _. i l 3 E 9 at m/s . U9 2.1690) ' Ligﬁﬁi) I 8. HRWB 2.P.059. [522321012 points . Vb 2+! 3 “’5’ 9L = i' 5””?ﬂ/S ' j i *3  1 7)” ~+ t: — dr
—  '3 a. ? ﬂ/J ' . 9. HRW6 2.P.049. [52227] 011Boints A key falls from a bridge that is 42 m above the water. it falls directly into a model boat, ' moving with constant velocity, that was 12 m from the point of impact when the key was released. What was the speed of the boat? Lay ; Jr, 2 M up 1 0 at: 439.“ 1‘: 1D. HRWG 3PM. 4. [166433] 011 points 1}; 9
b 7 11. HRWS 3.60.04. [181062] 011 points
Given that d = a +b + (c), which of the following are true? (Select all that apply). 50f6 ' ' ' ' _  snsros 8:23 AM . Assignment Previewer __ I _ _ I http://wwwwébassi gn.net/r4cgiphi1s@lsuﬂassignments/preview.tp1 @(d tc‘(D
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[3‘ ~98:— (L’b .“u..—“unmq.......u...._.................'...............................—~—.uq..uu.......................... 12. HRWB 3.P.O10. [56506] 0 points A car is driven east for a distance 51 km, then north for 30 km, and then in a direction 27°
east of north for 22 km. Draw the ve or diagram and determine the total displacement of the
car from its starting point.
Magnitude Eskm' Direction 1 K" (counterclockwise from east) Assignment Details ﬁle/k me 5 of 5 _ _ 8/15/08 8:23 AM ...
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 Fall '08
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