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    Hello, pls can u help me with this question? This is a question from the Solomon worksheets (question 7b). I have managed to do question 7a ; but then got stuck for question 7b. Please can someone explain how to do it?

    http://www.london-oratory.org/maths/...s/E4Qdif_E.pdf
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    (Original post by laurawoods)
    Hello, pls can u help me with this question? This is a question from the Solomon worksheets (question 7b). I have managed to do question 7a ; but then got stuck for question 7b. Please can someone explain how to do it?

    http://www.london-oratory.org/maths/...s/E4Qdif_E.pdf
    Why don't you just look at the answers?

    The water is poured in at a given CONSTANT rate so you can work out the volume after 5 seconds.

    This will give you the height which in turn will yield dV/dh.

    Use the chain rule to find dh/dt.
 
 
 
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