genyjoannerubiera
02.10.2019 •
Mathematics
At time t=0, where t is measured in minutes, a tank with a 5-litre capacity contains 3 litres of water in which 1 kg of salt is dissolved. fresh water enters the tank at a rate of 2 litres per minute and the fully mixed solution leaks out of the tank at the varying rate of 2t litres per minute. (a) determine the volume of solution v(t) in the tank at time t. (b) determine the amount of salt q(t) in solution when the amount of water in the tank is at maximum.
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