Recent content by Alex Aka alex

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    first order linear ODEs question?

    A tank initially contains 30 kg of salt disolved in water and making up 4000 litres of liquid. Brine that contains 30 grams of salt per litre of solution enters the tank at a rate of 25 litres per minute. The solution is kept thoroughly mixed and drains from the tank at the same rate. Let y(t)...
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    First order linear ODEs questions?

    solve thed differential equation, (find y) dy/dx = 2x^2 - x - 2 + (2/x)*y by using the formula dy/dx + p(x)y = q(x)
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    how to design a solar panel to store energy and convert it into electrical energy?

    first of all, to be honest i have totally no idea on how a solar panel works. my task is to design something like a solar powered street lamp which store sun energy during day time and convert it into electrical energy then light energy so that the lamp can work during night time. any ideas on...
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