56 8 hp . 0 V R ⋅ 35 ⋅ R 3 . 1 L ⋅ 10 − = ⋅ 2 075 F × roll Example 1.8 7 . 0 = . 6 ⋅ / ×ω ⋅ 392 2 kW T , 01 Prof. Ramesh Singh, Notes by Dr. Singh/ Dr. Colton = 28 . 1 = roller = roll / )kW )kW Power ( Power (