3.(P180,#18)Ifatankholds5000litersofwater,whichdrainsfromthebottomofthetankin40 minutes,thenTorricelli’sLawgivesthevolumeVofwaterremaininginthetankaftertminutesas V=5000 ( 1− t 40 ) 2 0≤t≤40. Findtherateatwhichwaterisdrainingfromthetankafter(a)5min,(b)10min,(c)20min,and(d) 40min...