10판/1. 측정

1-21 할리데이 10판 솔루션 일반물리학

짱세디럭스 2019. 7. 20. 22:39

$$ \begin{aligned} \Ans &= \rho = \frac{\text{Mass}}{\text{Volume}} \\ &= \frac{9.05\ut{g}}{3.5\ut{cm^3}} \\ &= \frac{181}{70}\ut{g/cm^3} \\ &\approx 2.5857142857142857143\ut{g/cm^3} \\ &\approx 2.6\ut{g/cm^3} \end{aligned} $$