Newton's Law of Cooling a) A cup of coffee has temperature 95° C and takes 30 minutes to cool to 61° C in a room with emperature 20° C. Use Newton's Law of Cooling to show that the temperature of the coffee fter t minutes is T(t) = 20 + 75e¯kt where k ≈ 0.02. b) What is the average temperature of the coffee during the first half hour?

Q: For the following problems, find the general solution. 128. y" cos(x) + 2y + y

A: To find the general solution of the following differential equation.y''=cosx+2y'+y

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Q: TYPEWRITTEN

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A: Find the volume of the solid generated by revolving the region bounded by the given lines and curves…

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A: Note:- Since you have asked multiple question As per our policy, we will solve the first question…

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A: