At time t = 0, there are 120 pounds of sand in a conical tank. Sand is being added to the tank at the rate of S(1) = 2esin“ per hour. The tank can hold a maximum of 200 pounds of sand. +2 pounds per hour. Sand from the tank is used at a rate of R(t) = 5sin² t + 3\/F pounds

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.