Only need answer for b.). Please show your work!
Only need answer for b.). Please show your work! A tank contains 70 kg of salt and 1000 L of water. Pure water enters a...
(1 point) A tank contains 70 kg of salt and 1000 L of water. Pure water enters a tank at the rate 6 L/min. The solution is mixed and drains from the tank at the rate 3 L/min. (a) What is the amount of salt in the tank initially? amount = !!! (kg) (b) Find the amount of salt in the tank after 3 hours. amount = (kg) (c) Find the concentration of salt in the solution in the tank...
(2 points) A tank contains 80 kg of salt and 1000 L of water. Pure water enters a tank at the rate 12 L/min. The solution is mixed and drains from the tank at the rate 6 L/min. (a) What is the amount of salt in the tank initially? amount = (kg) (b) Find the amount of salt in the tank after 4.5 hours. amount = (kg) (c) Find the concentration of salt in the solution in the tank as...
(1 pt) A tank contains 50 kg of salt and 2000 L of water. Pure water enters a tank at the rate 8 L/min. The solution is mixed and drains from the tank at the rate 4 L/min. (a) What is the amount of salt in the tank initially? amount 50 (kg) (b) Find the amount of salt in the tank after 1 hours. (kg) amount (c) Find the concentration of salt in the solution in the tank as time...
A tank contains 70 kg of salt and 2000 L of water. Water containing 0.4kg/L of salt enters the tank at the rate 16L/min. The solution is mixed and drains from the tank at the rate 4L/min. A(t) is the amount of salt in the tank at time t measured in kilograms. (a) A(0) = (kg) (b) A differential equation for the amount of salt in the tank is =0=0. (Use t,A, A', A'', for your variables, not A(t), and move everything...
(1 point) A tank contains 60 kg of salt and 1000 L of water. A solution of a concentration 0.03 kg of salt per liter enters a tank at the rate 7 L/min. The solution is mixed and drains from the tank at the same rate. (1 point) A tank contains 60 kg of salt and 1000 L of water. A solution of a concentration 0.03 kg of salt per liter enters a tank at the rate 7 Umin. The...
(1 point) A tank contains 50 kg of salt and 2000 L of water. A solution of a concentration 0.0125 kg of salt per liter enters a tank at the rate 7 L/min. The solution is mixed and drains from the tank at the same rate. (a) What is the concentration of our solution in the tank initially? concentration = !!! (kg/L) (b) Set up an initial value problem for the quantity y, in kg, of salt in the tank...
A tank contains 90 kg of salt and 2000 L of water. Pure water enters a tank at the rate 10 L/min. The solution is mixed and drains from the tank at the rate 13 L/min. Let y be the number of kg of salt in the tank after t minutes. The differential equation for this situation would be: dy dt = y(0) -
A tank contains 90 kg of salt and 2000 L of water. Pure water enters a tank at the rate 6 L / min. The solution is mixed and drains from the tank at the rate 8 L / min.Let y be the number of kg of salt in the tank after t minutes.The differential equation for this situation would be:dy/dt=y(0)=
Previous Problem Problem List Next Problem (1 point) A tank contains 60 kg of salt and 1000 L of water. Pure water enters a tank at the rate 12 L/min. The solution is mixed and drains from the tank at the rate 6 L/min. (a) Write an initial value problem for the amount of salt, y, in kilograms, at time t in minutes: !!! (kg/min) y(0) = 60 !!! kg (b) Solve the initial value problem in part (a) y(t)...
a tank contains 60 kg of salt and 2000 L of water. pure water enters at 6L/min the solution is mixed and drains at 9L/min y=kg of salt after t minutes. dy/dt=??? and y(0)=???