Question 32
MediumOriginal questionWhich of these are flows?
A. Savings of a family in a year
B. Wealth of a family
C. Water in a tank at 6 am
D. Water flowing out of a tap per minute
Show the answer and explanation
CorrectNot quiteAnswer C
Correct answer: C
Explanation
Saving per year and water per minute are measured over time: flows.
Wealth and the water in the tank at 6 am are measured at a moment: stocks.
- Concept
- Stocks and flows
- Typical timeTypical
- 70 s
- Your timeYours
- —
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