The three common phases oa3per r xhh14)4l py,rf matter are

  Density is

  Substance A has a density ofxr y4jf4k+fe0 $3.0 \; g/cm^{3}$ and substance B has a density of $4.0 \; g/cm^{3}$. In order to obtain equal masses of these two substances, the ratio of the volume of A to the volume of B will be equal to

  Pressure is

  Which of the following is not a ufbfa:yixd, 1jcd/dda 7 0.t .cnit of pressure?

  Consider three drinking glasses. All three have the same arecq(h:r.gt (cy1o 4 4kij(ajvwa base, and all three are filled to the same depth with water. Glass A is cylindrical. Glass B ijcj(hqo.wa( c(r4:gv yi4tk1 s wider at the top than at the bottom, and so holds more water than A. Glass C is narrower at the top than at the bottom, and so holds less water than A. Which glass has the greatest liquid pressure at the bottom?

  What is the difference between the pressljbj.k (idj c6nnw*58 fu;ct f2 aem4*so:4rmures inside and outside a tire called?

  When atmospheric pressure changes, what happens to the absolh b 8./k qigj:iwju,*kute pressure at the bottom of ,ikq u.ih/j jw8bgk*:a pool?

  You are originally 1.0 m beneath the surface of a p)6-a5ipuju zxool. If you dive to 2.0 m beneath the surface, what happens to the abp 5zi-)a6ju uxsolute pressure on you?

State Pascal's princip ze9iztq3rqi +l,b37iq: 6tqjle.

State Archimedes' princip ru+0vhc6i+b 2tk-s+yn gm*fhle.

  $50 \; cm^{3}$ of wood is floating on water, and $50 \; cm^{3}$ of iron is totally submerged. Which has the greater buoyant force on it?

  As a rock sinks deeper and deeper into water of constant denstp*2v,6dw :g)d b/y +aqdgsbnu g;m8 xity, what happens to the buoy8gp, b vm* 2x+q; b)dsddwyu/g6agnt :ant force on it?

  Salt water has greater density than fresh water. A boat floauc4,yxidp,oh/ 4;t n wts in both fresh water and in salt water. Where is the buoox /i n;4pd,4, chwyutyant force greater on the boat?

  Salt water is more dense than fresh water. A(v3c68xj)aalpu hx: v ic.vcn( y1;zw ship floats in both fresh water and salt water. Compared to the fresh water, the volume of water displaced in the salt water icn3 czx8:i (j p(v;6vw).a u1clxh yvas

  A steel ball sinks in water but floats in a pool of mercury. Where is the buoymf-k6f3ofnz*v :cbdab+jcy ,i:ol 40ant forbzv0oc-b6 fn*: , m 4f3icykjf+dla o:ce on the ball greater?

  A 10-kg piece of aluminum sits4p9mj ;)ac emxq00ddm at the bottom of a lake, right next to a 10-kg piece of lead. Which has the greater buoyaadcq d0p 9);mjxem0m4nt force on it?

  A piece of iron rests on top of a piece of wood floating in a bathtub. If t a qejoos)owwg/:a7, sy*9/imhe iron is removed from the /7,swa:aeqiwy o)*mso /gj o9 wood, what happens to the water level in the tub?

  A piece of wood is floating in a batenewww,8 7(si44 e piwhtub. A second piece of wood sits on top of the first piece, and does not touch the water. If the top piece is taken off and placed in the water, what happens to the pw7w8w4 4ie(i sen, wewater level in the tub?

  Water flows through a pipe. The diameter of the pipe at point B is larger tac-l:ez h3:beh(jfc (han at poin(hec :e3hc f(az:-ljbt A. Where is the speed of the water greater?

  An ideal fluid flows at 12 m/s * tqtw(ye/n e(in a horizontal pipe. If the pipe widens to twice ittey w *qt((/ens original radius, what is the flow speed in the wider section?

  An ideal fluid flows at 12 m/s in a horizontal pipe. If the pipe narrows o1yyf/ ,/i3x0.j h9p ceiwxfjto half its oo c 1ypwh / ijy039.xif/xj,efriginal radius, what is the flow speed in the narrower section?

State Bernoulli's principle.4j+n ty d uzob.ky (zss.z-5k+

  Which one of the following is ay1gk7 zx8fe7d yfn *d(ssociated with the law of conservation of energy ndx fed (1zk*f7y7y8gin fluids?

  As the speed of a moving fluid increaseb 4,z t;4us/b lqex lis(.3qtfs, the pressure in the fluid

  Water flows through a pipe. The d m9gpa, ek4liggv5-+f+zpld9hhx 4 ::buw. rw iameter of the pipe at point B is larger than at point A. Where is the watd -l pal9wvb4zi.:+kg :x9h+5e,m u g 4frpghwer pressure greatest?

  When you blow some air above a paper strip, t4q97la6fje+ovqcp g g6* vf: che paper rises. This is because

  A sky diver falls through the air at termina s8)x2k:c,hx h vx+vtil velocity. The force of air resistancec8ivv shtx)x :xkh ,+2 on him is

  Two Styrofoam balls, of radii R and 2R, are released simultaneously fr 1pv83*ke pt5l 76btu rim hfs9ic:xf.om a tall :hx6et5u cb1i8i tpf9p7*.fs k3vmlrtower. Which will reach the ground first?

  When a small spherical rock of radius r falls through water, it expe3ml(mp *n4n x5eyxh /griences a drag fm/g5y en4xplm(x3n* horce $F=arv$, where $v$ is its velocity and $a$ is a constant proportional to the viscosity of water. From this, one can deduce that if a rock of diameter 2.0 mm falls with terminal velocity, $v$, then a rock of diameter 4.0 mm will fall with terminal velocity .

  Which has the greatest effect on th7)sdcz. t hrqfth ( 68sxy3aj0e flow of fluid through a narrow pipe? That is, if you made a 10% change in each of the quantities below, whi)t(8.hcxaf7 y6z dhs30r qj tsch would cause the greatest change in the flow rate?

  Two horizontal pipes are the same length, but pipe B has twice the ds ,kv63x784fd wptcxk4mt69ytv. s kmiameter of pipe A. Water undergoes viscous flow in both pipes, subject to thfwk,6ttxds9v ky mm8 c 744.3spk6tx ve same pressure difference across the lengths of the pipes. If the flow rate in pipe A is Q, what is the flow rate in pipe B?

  Two horizontal pipes have thv 8w :d,- wx1l)mt8b cjx-bvxce same diameter, but pipe B is twice as long as pipe A. Water undergoes viscous flow in both pipes, subject to the same pressure difference across the lengths of ,)tb wd xxcv-8v8cj-1wmb :xlthe pipes. If the flow rate in pipe B is Q, what is the flow rate in pipe A?

  When soup gets cold, it often tastes greasyt: 1n-r e2ppqia4c tcd359ssy. This "greasy" taste seems to be associated with oil spreading out all over the surface of the soup, instead of staying in little globules. To us "phypyre n t9pd t5: 3a14ss-c2iqcsikers", this is readily explained in terms of

  When a tube of diameter d is placed in water, the water rises to a lrg0ae8bk f7:height h. If the diameter were half as great, how high would the wl: 70bkgrf8a eater rise?

  Certain insects, such as the watrq.mw o hn.*z-er bug, are sufficiently lightweight that they can run on top of water without breaking the surface tension. Water bug A has weight W. Water bug B is twice as big as bug A, in all dimensions. That is, bug B is twice as long, twice as wide, etc. What is ther.oq*n-h .wmz weight of bug B?

  Certain insects, such as the water bug, are sufficiently lf0,v i3m ,z0agi3z2lom i-ycq ightweight that they can run on top of water without breaking the surface tension. This is possible because the water, due to sugicfz,izvq323 al,iy0 - m0mo rface tension, exerts an upward force on the bottom of the bug's feet. Suppose that the maximum possible upward force on the feet of water bug A is F. Now suppose that water bug B is twice as big as bug A in every dimension. That is, bug B is twice as long, twice as wide, etc. What is the maximum upward force on the feet of bug B?

  A plastic block of dimensions 2.0i* jr-*g8y ipu0 cm x 3.00 cm x 4.00 cm has a mass of 30.0 g. u*ig p8-rjy*i What is its density?

  A liquid has a specific gravity of 0.357. What iu* +1yv*gpgiqp5x plr3q((nbs its density?

  A brick weighs 50.0 N, and measures 30.k 9f,7.t e(e cy7fplap/ol: bv0 cm x 10.0 cm x 4.00 cm. What is the maximum pressure it can exert on a(:p/ ll9ae f,7yc t7 evfkpbo. horizontal surface?

  A person weighing 900 N is standing on snows x1u+kgpe+ k*ahoes. Each snowshoe has area $2500 \; cm^{2}$. What is the pressure on the snow?

  How much pressure (absolute) must a submarine withstand at a de (+d vs+zbko)ppth of 120.0 m in the oceanvpz)d+(kb+o s ?

  A circular window of 30 cm diameter i;/qfije2 g8+s ty0wyw lz49xtn a submarine can withstand a maximum force of iw xwz4qy8s jg t/l tf;y20+e9$5.20 \times 10^{5} \; N$. What is the maximum depth in a lake to which the submarine can go without damaging the window?

  What is the gauge pressure if the ab .aai zxcvz8 irhl9ylha3di32 x 9vt y,l72;d)solute pressure is 300 kPa?

  What is the gauge pressure at a location 15.0*5 wfnslzdwoc ;.4 z2b2pj*yz m below the surface of sea? (The density oj25s*z ; f2o4cdnywb w.zp*zlf seawater is $1.03 \times 10^3 \; kg/m^{3}$.)

  What is the absolute pressure at a location 15.0 m below the surface of sea og:t5:wz w9ov? (The denzt :g wowo:95vsity of seawater is $1.03 \times 10^3 \; kg/m^{3}$.)

  A 500-N weight sits on th9.ri,8x kzq aie small piston of a hydraulic machine. The small piston has ari98 i.ax,z kqrea $2.0 \; cm^{2}$. If the large piston has area $40 \; cm^{2}$, how much weight can the large piston support?

  In a hydraulic garage lift, the small piston has a radius of 5.0 cm an1fjw: t jzc76rd the large piston has a radius of 15 cm. What force must be applied on the small piz cjft7rj:1w 6ston in order to lift a car weighing 20,000 N on the large piston?

  A 13,000 N vehicle is to be lifted by a 25 cm diameter hydraulic piston.u )3qf nh+ qmd*vn:9bw What force neehnn 9wv+fb*d:)uqq m3ds to be applied to a 5.0 cm diameter piston to accomplish this?

  The small piston of a hydraulic lift has a diameter of 8.0 cm, and its large pis 9ome,b1d4 zpeg-8l elton has a diamete eg ,lol1 4-pebe9mdz8r of 40 cm. The lift raises a load of 15,000 N.
(a) Determine the force that must be applied to the small piston    $N$ (fill in numerical value only)
(b) Determine the pressure applied to the fluid in the lift    $\times 10^5 \; Pa$ (fill in numerical value only)

  A block of metal weighs 40 N in air and 30 N in water. What is the buoyap0,z hi bi:fjcm91;xent force c :ezxj0 1ii;9hpbfm, of the water?

  An object has a volume7rvnkm3rgbq4h0dm 60zky 7(a of $4.0 \; m^{3}$ and weighs 40,000 N. What will its weight be in water?

  A 4.00-kg cylinder of solid iron is supported by a f ya *9i8ar(4 yppbks6jrkf:3 string while submerged in water. What is the tension inj asbi 3p4r f(rp y89a:fky6*k the string? (The specific gravity of iron is 7.86.)

  If the density of gold ii55 r+1vyb4j4 tzx rbss $19.3 \times 10^3 kg/m^{3}$, what buoyant force does a 0.60-kg gold crown experience when it is immersed in water?

  A crane lifts a steel submbnl5 a:5 h,grwz)gr7q arine (density = $7.8 \times 10^3 \; kg/m^{3}$) of mass 20,000 kg. What is the tension in the lifting cable (1) when the submarine is submerged, and (2) when it is entirely out of the water?

  An object weighs 7.84 N when it is in air and 6.86 N when it is immersed in wmxa 2p lp ,t.rha;0(j6yoll 7kater. What is h,lokrm;(. y 0p2atj7 6xll apthe specific gravity of the object?

  A container of water is placed on)c*h: - //bipqvtob i.inp3f b a scale, and the scale reads 120 g. Now a 20-g piece of copper (specific gravity = 8.9) fhb.pb )*noqp/ci3vb ii /-t:is suspended from a thread and lowered into the water, not touching
the bottom of the container. What will the scale now read?

  A piece of aluminum with a mass of 1.0 kg and density of 5 ohfgkr* 9.b/rn/xmz$2700 \; kg/m^{3}$ is suspended from a string and then completely immersed in a container of water. The density of water is $1000 \; kg/m^{3}$.
(a) Determine the volume of the piece of aluminum    $\times 10^{-4} \; m^3$ (fill in numerical value only)
(b) Determine the tension in the string after the metal is immersed in the container of water $N$ (fill in numerical value only)

  A cylindrical rod of length 12 cm and diameted1(;xmcmsckr 09zd: r r 2.0 cm will just barely float in water. What is i c(xm1 r; :sczd9rmd0kts mass?

  A rectangular box of negligible mass measures 5.0 m long, 1d.(f+j 2uwydp7e+ r ef.0 m wide, and 0.50 m high. How many kilograms of m+f yu wd+e7fe.p rj(2dass can be loaded onto the box before it sinks in a lake?

  A $1.0 m^{3}$ object floats in water with 20% of it above the waterline. What does the object weigh out of the water?

  An object floats with half its volume beneath ljjwu,o5 sak) 8 v*jz,the surface of the water. The weight of the displaced water ialj v,sju oz8kw*)5,js 2000 N. What is the weight of the object?

  A solid object floats in water with three-fourthzda. g9 u 5qwtj5km-k 0vnr5(qs of its volume beneath the surface. What is the objw m.qa5vd-5nr 0k(5uk9qjgtz ect's density?

  A 200-N object floats with three-fourths of its volume beneath the surface oc wikml4) p u9ukodgp 916-ol8f the water. What is the b 9w odu)-plk4c kl1mp6o9 ugi8uoyant force on the object?

  A polar bear of mass 200 kg st6;eksi54n kx cands on an ice floe 100 cm thick. What is the minimum area of the floe that will just support the bear in saltwater of specific gravity 1.03? The specific gravitn ski;e4c 5k6xy of ice is 0.98.

  Liquid flows through a pipe of diameter 3.0 9 nio:9tf hon/9ljt2b cm at 2.0 m/s. Find the flow rate.

  Liquid flows through a 4.0 cm diameter pipe at 1.0 m/s. ) ) 46scebpacj There is a 2.0 cm diameter restriction in the line. What is the velocity e)apc)js4cb 6 in this restriction?

  Water flows at 12 m/s h2ts ct+da8vk3/1oxa ;r(asiin a horizontal pipe with a pressure of $3.0 \times 10^4 \; N/m^2$. If the pipe widens to twice its original radius, what is the pressure in the wider section?

  How much pressure does it take forcf 1w1: ovson5 a pump to supply a drinking fountain with 300 kPa, if the fountaw1f5:cvn s 1ooin is 30.0 m above the pump?

  A hole of radius 1.0 mm occurs in the bottom of a water storage tank that t: lvd uj vz2m :lknfm4bs*ok*z8s7:9 holds w svlo2 4:kl7f*mn8z:* sbvm:dt j zku9ater at a depth of 15 m. At what rate will water flow out of the hole?

  Water flows through a horizontal pipe of :rh9bq5ks z6p cross-sectional area $10.0 \; cm^{2}$ at a pressure of 0.250 atm. The flow rate is $1.00 \times 10^{-3} \; m^{3}/s$. At a valve, the effective cross-sectional area of the pipe is reduced to $5.00 \; cm^{2}$. What is the pressure at the valve?

  SAE No. 10 oil has a viscosity of 0.20 Pa-s. aj.wr vd11lo 8dtvq5()y4cussxo93g How long would it take to pour 4.0 L of oil through a funnel with a neck 15 cmgo1wlt (d 591oxj q3 syur).sv cvd4a8 long and 2.0 cm in diameter? Assume the surface of the oil is kept 6 cm above the top of the neck, and neglect any drag effects due to the upper part of the funnel.

  Suppose that the buildqs6*q/o4 y dq sqj9ki0-up of fatty tissue on the wall of an artery decreased the radius by 10%. By how much would os9*jqqsqy d/k04q6i the pressure provided by the heart have to be increased to maintain a constant blood flow?

  Two narrow tubes are placed in a pan of water. Tube A has twice the diampkamgo l2p9a. mh1- 3xeter of tube B. If water rises 24 cm in tube A, how high will it rise in tubema9pom a 23- xg1lhk.p B?

  The surface tension of water is 0.073 N/m. How high willivsrk u0/71bv v z6t- ;xemda* water rise in a capillary tua imvvd t z-6/7rk;us bv0ex1*be of diameter 1.2 mm?

  232

  To what height would water at 0 oa3,bg7i *affdegree Celsius rise in a glass capillary tube with a diameter o af7,iaf *gob3f
0.50 mm?

  A narrow tube is placed verticuzas 7vv(:k5gh ee/k9ally in a pan of water, and the water rises in the tube to 4.0 cm above the level of the pan. The surface tension in the liquid is lowered to one-half its original value by the addition of some soap. What happens to zg/ a57e(s:9k kuhvv ethe height of the liquid column in the tube?

  Consider a rectangular frame of l.ib+p-*y6:j syiaip7ns+a w zength 0.120 m and width 0.600 m with a soap film formed within its confined area. If the surface tension of soapy water : y* bs nz+.+-ip6 piwaayi7jsis 0.0260 N/m, how much force does the soap film exert on the 0.600 m side?

  An adjustable rectangular fram1han zzg.x 0bftt . 9jrn.1+4+yufxoye has length 12 cm and width 5 cm, and is built in such a way that one of the longer sides can be moved without bursting the soap film contained in the frame. Soapy water has surface tension 0.026 N/m. How much.4zz n hrax. fj+u9o10nf t.y+tygx b1 work is required to move the adjustable long side so that the frame is 12 cm square?