11판/1. 측정 32

1-32 할리데이 11판 솔루션 일반물리학

풀이에 필요한 정보가 너무 부족하여 고양이의 질량과 구성성분비는 임의로 정했습니다. {Cat=5[kg]1[mol]=6.02×10231[u]=1[g/mol] \begin{cases} \text{Cat} &= 5\ut{kg}\\ 1\ut{mol}&=6.02\times10^{23}\\ 1\ut{u}&=1\ut{g/mol} \end{cases} {O:70[%]C:20[%]H:10[%] \begin{cases} O : 70\ut{\%}\\ C : 20\ut{\%}\\ H : 10\ut{\%}\\ \end{cases} {mO=16[u]mC=12[u]mH=1.0[u] \begin{cases} m_O &= 16\ut{u}\\ m_C &= 12\ut{u}\\ m_H &= 1.0\ut{u}\\ \end{cases} $$ \begin{cases} M_O &= 5\ut{kg}\cdot0.7=3.5\ut{kg}\\ M_C &= 5\ut{kg}\cdot0..

11판/1. 측정 2022.10.09

1-31 할리데이 11판 솔루션 일반물리학

Ans=0.257[kg/day]=0.257[kg/day]106[mg]1[kg]1[day]24[h]1[h]60[min]=642536[mg/min]178.47222222222223[mg/min]178[mg/min] \begin{aligned} \Ans&=0.257\ut{kg/day}\\ &=0.257\ut{kg/day}\cdot\frac{10^6\ut{mg}}{1\ut{kg}}\cdot\frac{1\ut{day}}{24\ut{h}}\cdot\frac{1\ut{h}}{60\ut{min}} \\ &=\frac{6425}{36}\ut{mg/min}\\ &\approx178.47222222222223\ut{mg/min}\\ &\approx178\ut{mg/min}\\ \end{aligned}

11판/1. 측정 2022.10.08

1-29 할리데이 11판 솔루션 일반물리학

{V=40[cm]×40[cm]×26[cm] \begin{cases} V&=40\ut{cm}\times40\ut{cm}\times26\ut{cm} \end{cases} (a)\ab{a} $$ \begin{aligned} V&=41600\ut{cm^3}\\ &=41.6\ut{L}\\ &=41.6\ut{L}\cdot\frac{16\ut{bottle}}{11.356\ut{L}}\\ &=\frac{166400}{2839}\ut{bottle} \approx58.61218738992603\ut{bottle}\\ &=\(2\cdot20+16+2+\frac{1738}{2839}\)\ut{bottle}\\ &=2\ut{nebuchadnezzar}+1\ut{balthazar}+1\ut{magnum}+\frac{1738}{2839}\ut{bottle} \..

11판/1. 측정 2022.10.07

1-27 할리데이 11판 솔루션 일반물리학

{ρ=40[mi/gal]1[U.K. gal]=4.546 090 0[L]1[U.S. gal]=3.785 411 8[L] \begin{cases} \rho&=40\ut{mi/gal}\\ 1\ut{U.K.~gal}&=4.546~090~0\ut{L}\\ 1\ut{U.S.~gal}&=3.785~411~8\ut{L}\\ \end{cases} (a)\ab{a} $$ \begin{aligned} \Ans&={1230\ut{mi}\over40\ut{mi/U.S.~gal}}\\ &={123\over4}\ut{U.S.~gal}\\ &={123\over4}\ut{U.S.~gal}\cdot{3.785~411~8\ut{L}\over1\ut{U.S.~gal}}\\ &=\frac{2~328~028~257}{20~000~000}\ut{L}\\ &\approx116.401~412~85\ut{L}\\ &\approx1.2\times10^2\..

11판/1. 측정 2022.10.04

1-26 할리데이 11판 솔루션 일반물리학

{1[ken]=1.97[m] \begin{cases} 1\ut{ken}&=1.97\ut{m}\\ \end{cases} (a)\ab{a} 1[ken2]1[m2]=(1[ken]1[m])2=(1.97[m]1[m])2=38809100003881009725 \begin{aligned} \frac{1\ut{ken^2}}{1\ut{m^2}}&=\(\frac{1\ut{ken}}{1\ut{m}}\)^2\\ &=\(\frac{1.97\ut{m}}{1\ut{m}}\)^2\\ &=\frac{38809}{10000}\\ &\approx \frac{388}{100}\\&\approx \frac{97}{25}\\ \end{aligned} 1[ken2]:1[m2]97:251\ut{ken^2}:1\ut{m^2}\approx 97:25 (b)\ab{b} $$ \begin{aligned} \frac{1\ut{ken^3}}{1\ut{m^3}}&=\(\frac{1\ut{ken}..

11판/1. 측정 2022.10.04

1-25 할리데이 11판 솔루션 일반물리학

{1[cord]=8[ft]×4[ft]×4[ft]=128[ft3] \begin{cases} 1\ut{cord}&=8\ut{ft}\times4\ut{ft}\times4\ut{ft}\\ &=128\ut{ft^3} \end{cases} $$ \begin{aligned} \Ans&=2\ut{cord}\\ &=2\ut{cord}\cdot\frac{128\ut{ft^3}}{1\ut{cord}}\cdot\(\frac{12\ut{in}}{1\ut{ft}}\cdot\frac{2.54\ut{cm}}{1\ut{in}}\cdot\frac{1\ut{m}}{100\ut{cm}}\)^3\\ &=\frac{1769802912}{244140625}\ut{m^3}\\ &\approx7.249112727552\ut{m^3}\\ &\approx7.25\ut{m^3}\\ \end{aligned}..

11판/1. 측정 2022.10.04

1-24 할리데이 11판 솔루션 일반물리학

{1[acre]=40[perch]×4[perch]=160[perch2]1[rood]=40[perch]×1[perch]=40[perch2]1[perch]=16.5[ft] \begin{cases} 1\ut{acre}=&40\ut{perch}\times4\ut{perch}=&160\ut{perch^2}\\ 1\ut{rood}=&40\ut{perch}\times1\ut{perch}=&40\ut{perch^2}\\ 1\ut{perch}=&16.5\ut{ft} \end{cases} (a)\ab{a} $$ \begin{aligned} \Ans=&2.80\ut{acre}+13.0\ut{perch}\times3.00\ut{perch}\\ =&2.80\ut{acre}\cdot\frac{160\ut{perch^2}}{1\ut{acre}}+39\ut{perch^2}\\ =&487\ut{perch^2}\\ =&487\ut{perch^2}\cdot\frac{1\ut{rood}}{4..

11판/1. 측정 2022.10.04

1-23 할리데이 11판 솔루션 일반물리학

put{tA=aAtB+bAtB=reftC=aCtB+bC \text{put}\begin{cases} t_A=&a_A\cdot t_B+b_A\\ t_B=&\text{ref}\\ t_C=&a_C\cdot t_B+b_C\\ \end{cases} tA=aAtB+bAt_A=a_A\cdot t_B+b_A {312=aA125+bA512=aA290+bA \begin{cases} 312=&a_A\cdot 125&+b_A\\ 512=&a_A\cdot 290&+b_A\\ \end{cases} {aA=4033bA=529633 \begin{cases} a_A=&\cfrac{40}{33}\\ b_A=&\cfrac{5296}{33}\\ \end{cases} tA=4033tB+529633  (1)t_A=\cfrac{40}{33}\cdot t_B+\cfrac{5296}{33}~\cdots~(1) $$ \begin{cases} 92=&a_C\cdot 25&+b_C\\ 142=&..

11판/1. 측정 2022.10.04