A heavy metal block is dragged along a rough horizontal surface at...

A heavy metal block is dragged along a rough horizontal surface at a constant speed of $20 \mathrm{~km} / \mathrm{hr}$. The coefficient of friction between the block and the surface is 0.6 . The block is made of a material whose specific heat is $0.1 \mathrm{cal} / \mathrm{g}-{ }^{{}^{{}^{\circ}}} \mathrm{C}$ and absorbs $25 \%$ of heat generated due to friction. If the block is dragged for 10 min , the rise in temperature of the block is about $\left(g=10 \mathrm{~m} / \mathrm{s}^2\right)$