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A molybdenum (Mo) block with height HMo, horizontal width L, and width into the page W is initially at uniform temperature Ti=130C. At t=0, molten indium (In) at temperature Tmelt= 150C is poured onto the surface, forming a block shape as shown (height HIn,, horizontal width L, and width into page W). The thermophysical properties of Mo and In are provided below the diagram. The thermophysical properties of indium (for solid or liquid near Tmelt ) are: Latent heat of fusion: hsf,In=30[kJ/kg]kIn=100[W/mK] In=7300[kg/m3]cp,In=240[J/kgK] The thermophysical properties of molybdenum are: Latent heat of fusion: hsf,Mo=375[kJ/kg]kMo=140[W/mK] Mo=10,300[kg/m3]cp,Mo=250[J/kgK] (a) Assume no heat transfer occurs at the top or sides of the indium. While the indium solidifies, is energy added to the molybdenum at the interface, or removed from it? Write added to Mo or removed from M. (b) Determine the amount of time required for all of the indium to solidify. Write any assumptions