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I J I l l. :"L trarer slide (“misﬁts of a 5m slope downwards at 6' = Jill“ to the horizontal
followed by a 5 Inetere herizotltal etheth that ends 2.5 meters ahtn'e the
water. Assuming Ire friction entl e SiteHing of acre. how test are you
trzn'ehng when you hit the 1water [in Inlet]? 'mﬁllS 1 Sane) + [BK lo M: 5‘0 [3 il’hn*=$0m [1} 1n [2} [3}1t [ant31.5 2. .31. simple pendulum eonsiete of a. Iliasﬁ. m. hanging on a. trlaeeleee String of iength L.
‘r'ral move the meeti so that. the etrhtg L5 now at. an angle of H = 60‘ to the vertical.
How much work do you need to rlo to do this? New = $19 (ht. =0}
WET: mjL{lte£0v ' M61 _'——.—.—..___— ’5
ulna P, f
1". K a, *
:h’l ad'sd
(1] mfg}? mLt; [3.) EtnLyrrfS H} 0 (5) ntthh“ﬁfﬂ 3. in he enhel starting at rest on the top of a hemispherical iglno of redqu R. slides: oﬁ' onto the erretvemered ground.
Hem fﬁe‘l‘ l5 it going when it hits the ground“! n} he . [2} with'3 {3} We"? H? W ‘353' R”
QUtblgao [mmzeﬁ ~m5R+ mike. V1: 2R3
L 4. Two identical blocks. each of mate' m = 2kg. are steelmud one above the 0th on at table. A rope is atteehed to the lower one! and a forte F = 50?}? drag it
horizontally. It Le fennel that the two hiaelte Heeelerete together at u = farm'52. H 'What is the eoeiﬁeient of kinetic friction m} fer the hloeltwtehle interfaee? . _ 5 F
Cﬂﬁﬁldﬁ'rE l‘l—u lbluql‘u cm; “NE
F ’ mo :Aexs’; “1.0M J ﬁeclxrociruw n l“ E ﬂ # ll
a lMb: 30‘? 1? 5'“: “3M NL: Pitt/IL“ 7 k
[110.5 [110.75 ‘ [2} em [4104 [5}15
5. “flint is the. minimum coefﬁcient of static frietion n, for the hloelthleek interim in order that the two hlhelte were
together? [1} of: [2} ELL} [3}1.5 [4} I14 [5} note Lual‘ a} ' . : p r r: F  I lbl“
l3? LAME: Gel: l’tur‘tvﬁl‘etl tr“ 1;. I Help: l‘nCa 11313"th .3 5M? _ ﬁ‘ 20
ﬂ. Tm feroee. F1 and LE", art on e in kg object so that it accelerates in the r—direﬂjﬁn with :19: = amt’5? Fl is 205. #5. 1 Cl '1‘:
tlLretted at an angle of 3?: from the Jr—tiirettlen. What is the magnitude of F2 in Newtone? U
[1} 15 [2} a [3} 15 “531 [4}9 [5} W5 h}
Eat it: EK’SASN a; emcee «[1st: E1 2%} TTTTT by a force F pointing at tight {wiggles to the slope. It is found that 15" has to he at. F
F least 1'35: 10 Stop Lh . bleak from slipping down the elepe. 'What E hf." N F £2me ("(15 Smoky; 3/4, FM : {143:er : 1xlmo~6 Law
(5‘) Fe: “‘3 (“Gig item8 tie : hard 11 #13, ft : é/It coal:
(1) 0.333 [2} 11.5 {3; UTE} {4] 0.6% [5} 0.375 ‘5 .
T. A m = 1 kg bled: is: Sitting on a slope of 5' w 3}": m. the hormnm‘ held 'm mace [I1 8. :i. 5!] kg women is in an elevator whieh, at one moment. is moving duwtiwatti at F: speml of 3111,55 while accelerating
upwardi al 9 rate of 1 111.352. 'Whet is the magnitude of the normal three of the liner en the we:nan':' [1} 5.50): [345024 {.13 met {4] 4mm (5)5111):
F“ It ‘rd 4, F'  S d" t a
“at. T me : SEN m3:§oxre:$‘ﬁe Niup}  55rd,} (ﬁ‘fhjjma
St. A ball of meat m — 1 lcg is whirling in a, vertical circle on a string of length I, = [15 In. :‘lt the button: of the circle the speed of the hall is, .3 mg's. What is the tension
in the ﬁring when the bell is at the hortem ef the circle? l1“ T "m5 : “W 1 mil =
FR L:
i T: FEW : “:1 1m : 6W re R 3 E [I] 603: {2] 40M [3} $05: [4} ‘EDN {5] l0); 1f}. ir‘i'hnr L4 the. speed of the ball when 1': is at the top of I'll!“ circle? {1} xﬁmfe [2} 41113: (3) 3 lit'5 («1} lmfs {5] 2.5 [rife
{SD ‘l‘ 3K 5 with? f D Elﬁn1.3 Club£5 ne murh) 1;? m ‘3 1R + AK‘D; {3K “lg
1: 11. A block el‘ mass m. = 3kg ie an :1 table and attached to :1 string which gees ever 2 1. mt! 1* 14%
’4‘ H maﬁlees nullity to e eede hlticlt mg. Them is no friction. and the himJ: an the 3 kg 4—113: L l' "
IT __'_ table. is seteleteting at a = :1 mfs2. What is the temhm in the string? u 1 ; 25'  10
l_.__ l
h} E: me 5T : lx‘ﬁZHN {1] 123' (2] 4N {3135: (4) 3H {5) sax
12. What is the [Um ef the second blockmg?
{1] 2kg (2) 3kg {3] “:3 {1) 5kg [5} {3kg
{th ~ T : mt q
mlxlo __, = iii(4' mL.'ull£3 a—m
I In ' 13. A Lilock of mass m = 1 kg is dropped ﬁprn rest (mm a Spring, of spring constant.
k = 409 N} m. The spring L1 compImam a distance r = {1.1 m when the bJEUE'k amps
for an instant. HOW far did the block [all before it hit the spring? AM + ﬁK : 0‘ {NEHr 1‘3)
umﬁgrgj + am} :0 {M to)
ialon[oi+ﬂ)=§*‘rﬁbr(ﬂ1ﬁ '7 9‘ 31““ lob113) :: l :3; j roim
{1}0.1I1: {2] 0.2m {3] 0.4 m {4] n.5m [11 {5] 113m 4
4
1 ‘11 ...
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 Winter '08
 Field
 Physics, Mass, Jill, 5m slope downwards, a. trlaeeleee String, Ire friction entl

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