美国2021年物理杯赛真题 PHYSICS BOWL 2021 (id: 6208ef0f7)

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? ($1pt=\frac{1}{2}L,1L=1000c{m}^3$.)

A. 530 g
B. 0.530 g
C. 5300 g
D. $5.30\ast {10}^{5}g$
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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