This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: Comet The orbit of many comats is an ellipse, the Sun being at one fucus. Consider a comet with
an elliptic orbit whose maximum distance to 1113 Sun (aphcliun distance) is r... = E x 1U"; km. The minimum distanca [perihelion distance} is n: = E 1: ll]? km. Find the speed of the
unmet at the perihelinn posiﬁun. — —— —  «a
P “'F ‘ . REF____ _ _ _______. —
“I?
Cmuélﬁh “ii m‘ﬂfmﬁm alew? ﬂaw! mpm Tim. LWT
v60}? : ‘Aﬁrn (m 0%
DEWm“. an; mawa Wm
(WM
' 1v Mam l' 1"_ G
.531.in # e G  aw m
7. 'L l _l_
gym : 1%Mg(7:?j — a)
i“
G) ﬂ= 73:5?
1 Y1 26M arr? "' gag—z, : 5 ‘Glrf’
Z
(L rinkf? r4:
6% = 1% m r? VALVE,“ 10 Escape Consider a small astemid efradiue BID1 km whose gravitatienal acceleration at the surface
is it") mfg. A small reek ie throw from the surface with a radial speed of 3H4 rate. a. How far from the surfaee does the melt go? 11. 1Ir‘t’hat initial radial speed would the reel: need to have te escape the asteroid? 'L.___ M _ _ it) Til—girls (3 R  C) 6pm] _ (5,11
3“ e
’L
{a Era E
“5:” 33 ii We
'2
[2.
L33 a 13h “11’
5’) "2'3
B '1 _.[ = anew"SK : talcm
23¢
Ka’PJGlUDOW Planet X Your starshlp lands on mysten'ous planet X. As chief scienﬁstengineer, you make the
following measurements: a stone of mass 3M] kg thrown upward from the giound st
ltltl rru's returns to the ground in SJJIJ s; the circumference of the planet 31 the equator is
lull} x ltl5 km; and there is no appreciable atmosphere. :1. WI is the mess of the planet? it. If the stership goes into a circular orbit 2mm km shove the surface or the planet, l‘lﬂw
more}.r hours will it take the ship to complete one orbit? "s
P Two charges and spring Twe charges Q... = 2 WC and (2;; = 3 in: are placed on the :r—axie with at x. = t} and
x5 = 22 em. [a] Find lhe fume en Q}, due to Q” .
(it) Find the force en 9;, due to Q, . The charges Q" and Q; are new attached to the ends era spring wheee unetretehetl length
is an = 22 em. With the charges attached, the spring compresses to an equilibrium length
3] = 12 cm. ,___,_5.1_. . .  . aiii???"1"1*1'l7‘?"l‘i*‘fia . . . . . . . . . . . . .
9a 0e l——!
L"*1 {e} Calculate the spring constant Fe of the spring. (em a 11, (De 4—):
(w) *H” >
 «a; c: “Xe : 11W
. fﬂgiiﬁl.‘
.— '— ..
[ it}; 1Tb! he (“Kb“taf—
4 \{ﬁ _L
1“ l l0 Cn 'ID
: qwlbﬁ E12 : If”: C : C ( Chum};
rB‘l—rlf—tt'e'u . ,5 :‘H.’ FL}; (lg) gﬁqeﬂn. ———e Three Charges lﬁll%l
Ilial IllII Three changes are ﬁxeld in plaee as shown. The squares in the grid have sides of Iength
s = {1.24 m. The magnitude arc; is 3 MI, while the magnitude el‘ Q is 45 eff. What is the magnitude of the net three on q? _—x. _ J— 4 (Fay: ﬂ at.
7:: q £2 5&6?
I A (we 5 h
F); 2 ER IF F44 Q
r r' 1 ED
zﬂL—l‘h Fr Sl {EL}
1' Ji— __ __u.'I__
" Tt—‘L 7;: l L I) —
El 2 ET 1’“ jFt‘T
L ﬁﬁquu
O + 8 ST.
:%FL%§: mam
__ 1 —t
a}: 2x10 {1
_ Q ’ (ffxlD—EC‘
ED. 9‘9‘H M Three charges in a line Two charges IQIr and {2; [Qr = 5 ME} are ﬁxed en the x—axie at x = 6 cm and _r = E cm,
respectively. A third charge Q}, = 1 11C is ﬁxed at the crigin. A particte with charge q = 0.4 pf. and mass m = ti 3 is placed on the yaais aty = 14 cm
and released. There is he gravity. {:1} Calculate the initial acceleration of the particle. (11} What was the magnitude ef' the net electric force on e at its paint of release? E; : 2"“; {115.3% d1
i211?) u re 6 = 653‘:
Ci Mayhem) :. 16.1 am
e
i ‘i' M1541 ( EMU’chhKO trait) ()3
EL; QGZMO —— ‘toilmmjl rm ( CL'H— N171
= c3.ng M
at  ﬂat—:12 Maw
a q m 1 _——F EMU—EMU 5(ID'ZST, 1— 950.6?j)mf~1. {Em = [mi : 135m ...
View
Full Document
 Fall '08
 HerreraSiklody
 Work

Click to edit the document details