This preview shows pages 1–11. Sign up to view the full content.
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 Document
Unformatted text preview: PH 131 FALL 2005 HOMEWORK # S Assigned: 09/26/05 CLUE! 26,21,22,2 “IA 1, 35:00:75! .___' cks‘ ‘. use, 1H; 50 SNEETS 22]42 IOO SHEETS
22444 200 SHEETS 2214] CH 5 “ a? . Hana @ car traveling at 53 km!!! hits a bridge abutment. A passenger —‘—"":_" ,
 car moves forward a distance of 65 cm (with respect to the: x D ' W‘ ‘ '
road) while being brought to rest by an inﬂated air bag. What mag X ; GM' ,_._ a)"
nitude of force (assumed constant) acts on the passenger’s upper _ m
torso. which has a mass of 4 kg? Vex 1‘“ FOOD l 5
k t [9“ 36535
= l"! .73; '
Vx 2 0 £2:—
4x = /_x z
._ mwﬁb ...
M _ H l H: 40 Mar l
of: N07?! '14 ; ‘1: o #175 '77; _.
' 12511904 IRE AG ‘ / Bab .‘b/
.' I “A LL}!
EDE LJSé’: MaiEMS 2. N 2133M“): I r F," i...— —
rx __ t can TMST an
1321:; Agnwmf
IHPMEQ CD " . 50 SHEETS 22142 IOO SHEETS
22144 200 SHEETS 22141 29 A ﬁreﬁghter with a weight of 712 N slides down a venical
pole with an acceleration of 3.00 W53. dimmed downward. What
an: the magnitudes and directions of the vertical forces (a) on the
ﬁreﬁghter from the pole and (b) on the pole from the ﬁreﬁghter? F7125?“ 32M» Hus; Beost LIAM Fa??— ﬁzgmmz: "\FM ﬁxer7213
3/ 304g ogw
32:53:. mam
(FnuanmML FORc5.
.4 N” "
w m: —> m = Y 4 (Mb mm; 7251:. mans) ﬁg}— : 123 ta
non M51070»; 2&5”: ZIP; =ma\ fP—wxa = MA), F} = MGMh .— 77}; RM HERVE—.5 3V MHFENGIHE‘R czar.5 WEIE" Pal/E I6 ALEo H0 £1: Bur hxﬁea‘ab “DOMNLLJN'ZL A MEN18F... 50 SHEETS 22142 IOU SHEETS
22l44 200 SHEETS 22h“ cHS '_ — _ L" muses: = hisoxfo"N
@ .. 30 ‘ "“ A car I at weighs 1. x to N is initially moving at a speed _.
f 40 kmfh when the brakes are applied and the car is brought to X 0 i o M
a stop in 15 m. Assuming that the force that stops the car is con X = M
slant. ﬁnd (a) the magnitude of that force and (b) the time required [an m
for the change in speed. if the initial speed is doubled. and the car VDX = (10 "' experiences the same force during the braking. by what factors are M
'(c) the stopping distance and {d} the stopping time multiplied? V); = 5
(There could be a lesson here about the danger of driving at high
speeds.) a )s. z . ,— '1
9;; 7744; THE FEQQ"57>
WE ' mat. B‘v’ A :V A __"2—V; ._
©$)/X/ ox..+V XII—59 ZFuEbOUBIE V0,, '5? new' "'——1 — 1;”: A
:53. 7;; = etc"'5 ..~.r 6.1757114 m: 515 "’35!!! I SD SHEETS 22 142 IN SHEETS
22444 200 SHEETS 2214] @9 .24 A block is projected up a frictionless inclined plane with initial v0 = 3.50 mfs. The angle of incline is I9 = 32.0”. (a) How far up the plan: does it go? (b) How long does it take to get there?
(c) What is ils speed when it gets back to the bottom? 55!“ i
i
i
I
I
F
f 50 SHEETS 22142 100 SHEETS
22144 200 SHEETS 22141 39 "t sphere ofmasa 3.0 X 10“ kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes 9
a constant angle of 37° with the vertical. Find (a) the magnitude of
that push and (b) the tension in the cord. seat In» m ‘3 "" wE cw ‘Ppuc. .r
"1997— Epcot115' Fog “' bo AT 0 JDUTO d: ““ 3112.241— FTLDM Em.§§21
I ﬁf—‘ﬂ. :ntt
®4 /" ME) 51 5.91.. ME— FOR. a; M 50 SHEETS 22 142 100 SHEETS
22144 200 SHEETS 2213] @ 3.5 An elevator with a weight of 27.8 IN is given an upward G “'5 53'.
acceleration of 1.22 mst by a cable. (:1) Calculate the tension in
the cable. (b) What is the tension when the elevator is decelerating w = "‘3 '3 2.7300 N
at the rate of 1.22 mfs2 bul is still moving upward? M
a. = In 22 '—"i
5
5c: '. ——— EmArok Is. Movwc. QWE : (2300M34(z'831kj
= ﬂ _ SO SHEETS
IOO SHEETS 22144 200 SHEETS 2244!
22142 3
IMHO \ ID kg monkey climbs up a
mmless rope that runs over a
frictionless tree limb and back
downto a l5 kg package on the
ground (Fig. 543). (a) What is
the magnitude of the least accel
eration the monkey must have if
it is to lift the package off the
ground? If, after the package has
been liﬂed, the monkey stops its
climb and holds onto the rope,
. what are (b) the magnitude and Gl‘uE’I'QI M ._—. [0 k3 (c) the direction ofihe monkey's
I acceleration, and (d) what is the
M2 = 15 lensinninthc rope? ssm
3 ‘ q'g "5—2 74mg; mm. m.
BE MFIEA bomb—E Tﬁ “42,3 J
THE ﬁnialy; p0,»?
Occult/MC. mHEM mg
41‘ («J/Hz.” ” P0! 10'!— ay :4Mu
1:50;). ,C‘RoM Thus we—
cm 955' MT 7595
MQMLEV cm .2ch. “1;:sz ‘T‘ $lMPL‘f 115’ IM.
m5, ActELELATIOAJ 4y. .5) aoLl/JMGI BY SEW/Nev (DEGUﬂd—TDQ) maammlm, , Du.) ma“ IM'FZJ
{ADHERE wx ‘>IM ' 'DiRCF ACC‘ELERH Ir
UPI/CAM Toad—IMMAKT: a), (m l +wz> = :1 (MLM.) “ 2: 2"“. '2 \‘t —
ED H 7 Cid“; 6} 4%
I0 Fimé —*: ﬁngLz gaﬁUE cw?— FD/E TAAJD use—ﬂ“ '.
T: W Ay+ =n11'
@—\> :C 33 A ; SO SHEETS 22142 100 SHEETS
22144 100 SHEETS 22441 pulley to a second block of mass
m: = 2.30 kg hanging vertically
(Fig. 541}. What are (a) the mag
nitude of the acceleration of each
block and (b) the direction of the
acceleration of the hanging
block? (c) What is the tension in
the cord? ssm Itw m To 6577715 720
FM Now Ah ‘3 Mrwa (ED+7: Nora“: EQM.,®
BOT howlb BE H SQ . A block of mass m, = 3.70 kg on a frictionless inclined plane
f angle 30.0“ is connected by a cord over a massless, frictionless AND (D To £44mme 7":
_m'3 "fl/“2,3 : WIKX +Mzax ﬁg (Inﬁll/e.) : 05 (m2; SIrucE' at: 5.325 ou’l‘ Poggﬂugj 771E: ACLELEMWOM 3F ML .Le In 7744»: 7’05. x—tmzv 072.. bomwwam. 77:5 FIND T Elnang SOLVE (D c? Q; FOR '7'" ANb USE A)! .'
Mng'ﬂA = taming?! mAs Mo'i— MEEbEb I» "THIS T’RoBLEM GIVE“: M1 =3.7D
M2,: 2.30
e = 30.0“ a =9.‘8’§§ HE
E F'oR. m 35 5mm. margugou o E
NOTE—2 77m, 1; Mar 7796' cam—5" wAH’TD ' MES mHEzE 77:5 25?. _
one FOR M ' E—Lo souE 60¢» A PROBLEM, Bur
non4c; 1:: 7795 Low :5
ommizATrouALur’ MICE.—
 ' MD M; cum. In
HAVE 7741:" SM: nails—'4‘
tans CASE" :2» THE m5. 07‘
x—DJR.
N572: w1y=wme=mgmé3 Nix :N&9= M3 1M, Ale) 7: “‘ :ﬂnsmaﬁ ﬁns.4352 Ab unEIuHﬁUbéb 3:72.107an r———¥/ 50 SHII'I'S 22142 100 SN“?!
22 I“ 200 SHEETS 22h" 168. A weightmious penguin with a mass of 15.0 kg resls
on a bathroom scale (Fig. S—4l). What am (a) [he penguin's
weight W and (b) the normal force N on the penguin? (c) What is
the reading on the scale. “aiming it is calibrated in weight units? — E Mugs
w $ Ed Us”): I: newly” : 6" "in—W ; an  ~,
2. m 7:“..JZ—N: : TFl. f—E'mrﬁro‘e" }r="‘
M: M:q'gkﬁ
“2:.
m3=5'.5k3
T.==I‘HN .3 w: :’ N: 1.7; gnawmug i?— LAwFoKM‘.
I l! 73"“33 =0 ...
View
Full
Document
This note was uploaded on 04/13/2009 for the course PH 131 taught by Professor Wick during the Fall '08 term at Clarkson University .
 Fall '08
 wick
 Physics

Click to edit the document details