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Washington State is experiencing a water shortage, and Iowa has extremely high precipitation in the form of rain and snow. Match the technologies with the states that can use them to reduce the impact of natural disasters.

b) nuclear ive learned that in a pedtrodic table

idk what is it? is this a question that you know the answer or u dont

answer: semi-infinite solid initially at a uniform temperature of 400 ◦c is cooled at its surface by convection. the cooling fluid at a constant temperature of 200 ◦c has a convective coefficient (ha) of 250 w/m2.k. the physical properties of the solid: k = 20 w/m.k and α = 4 * 10-5  m2/s. using δx = 0.04 m and δt = 10 s. write the finite difference equations describing the transient heat transfer of the first five δx and the temperature profile after 30 s.