MathJax


Wednesday, March 31, 2021

2021-010

A crack appeared in a container and the liquid in it began to leak. At instant t≥0, a total of 10t−t units of the liquid will have leaked. What is the flow rate r of the liquid through the crack at instant t=100 ?

  1. r=99/2
  2. r=99/20
  3. r=199/2
  4. r=199/20
  5. None of the above

Original idea by: Bruno Almêda

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