本题目来源于试卷: 美国2021年物理杯赛真题 PHYSICS BOWL 2021，类别为 美国物理杯赛(Physics Bowl)
[单选题]
The average density of blood is $1.06 \times 10^3 kg/m^3$. Imagine that you donate a pint of blood during a local blood drive. What mass of blood, in grams, have you donated? ($1 pt = \frac{1}{2} L, 1 L = 1000 cm^3$.)
A. 530 g
B. 0.530 g
C. 5300 g
D. $5.30 * 10^5 g $
E. 53.0 g
参考答案: A
本题详细解析:
$p=\frac{v}{m}$ ; $m=\rho V$
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