A long roll of 1-m-wide and 0.5-cm-thick 1-Mn manganese steel plate (r = 7854 kg/m3) coming off

Question:

A long roll of 1-m-wide and 0.5-cm-thick 1-Mn manganese steel plate (r = 7854 kg/m3) coming off a furnace is to be quenched in an oil bath to a specified temperature. If the metal sheet is moving at a steady velocity of 10 m/min, determine the mass flow rate of the steel plate through the oil bath.

A long roll of 1-m-wide and 0.5-cm-thick 1-Mn