Question: A stem L = 20 cm long, initially (t = 0) has an even temperature of 180 C along the length of the stem. Then

A stem L = 20 cm long, initially (t = 0) has an even temperature of 180 C along the length of the stem. Then for t> 0, the temperature at the left and right ends of the stem drops and shows the temperature to a temperature of 0 C.

a. Determine the general solution of partial differential equations for the above cases!

b. Determine the specific solution of the differential equation above by entering the boundary conditions and initial conditions!

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