APFIVE Mass Flow Rate in a River
A river with uniform depth narrows from 30 m wide to 15 m wide. If the water flows at 2.0 m/s in the wider section, what is the mass flow rate of water through a cross-section if the water density is 1000 kg/m³ and the river is 3.0 m deep?
A
1.8 × 10⁵ kg/s
B
3.6 × 10⁵ kg/s
C
2.7 × 10⁵ kg/s
D
9.0 × 10⁴ kg/s
Question Leaderboard
Not enough data yet to show leaderboard.