A wire moves through a long cylindrical furnace. The wall of the furnace is heated to 1100 K and the wire is at 700 K. Determine the power requirement per unit length of furnace. The diameter of the wire is 0.5 cm and that of the furnace is 10 cm. Assume blackbody radiation.

Iassume the answer is 75 feet. inwards to outwards rather than outwards to inwards. probably be 75.hachures are stokes drawn in direction of the steepest slope. a series of short parallel lines drawn on a map to indicate topographic relief. it is actually called hachures on contour lines. the small marks in the center of the feature are called hachures.observe the picture attached

Dshould be the right answer i think

Mass / weighthope it !