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]
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A.
32.5kg-1 s -
B.
31.5kg-1
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C.
30.8kg-1 s -
D.
30.0kg-1 s
Correct Answer: Option D
Explanation
Flow = rate = (frac{mass}{time})
= (frac{1000 times 540}{5 times 3600})
= 30.0kg-1 s