Boyle’s Law states that when a sample of gas is compressedat a constant temperature, the pressure P and volume Vsatisfy the equation PV= C , where  C is a constant.Suppose that at a certain instant the volume is 600 cm3 , thepressure is 150 kPa, and the pressure is increasing at a rateof 20 kPa/min. At what rate is the volume decreasing atthis instant?

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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.