KELVIN WE's answer to huihuibuhui's Secondary 4 A Maths Singapore question.

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KELVIN WE
Kelvin We's answer
21 answers (Tutor Details)
Hi, I don't think is get the answer 5/9 cm/s. However, I would like to share my solution that I thought makes sense. Would be glad if someone can show an alternative solution that leads to the answer. All the best!
Eric Nicholas K
Eric Nicholas K
3 years ago
Your answer is correct.

Apparently I and the given solution overlooked how we defined the “volume” of the container. I defined half the length of the container as L.

You drew the correct diagram and computed the correct variable.