If it takes 5.0 hrs to drain a container of 540.0cm 3 of water, what
PHYSICS
JAMB 1994
If it takes 5.0 hrs to drain a container of 540.0cm3 of water, what is the flow rate of water from the container in kg-1? [Density of water = 1000kgm-3]
- A. 32.5kg-1 s
- B. 31.5kg-1
- C. 30.8kg-1 s
- D. 30.0kg-1 s
Correct Answer: D. 30.0kg-1 s
Explanation
Flow = rate = \(\frac{mass}{time}\)
= \(\frac{1000 \times 540}{5 \times 3600}\)
= 30.0kg-1 s
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