-/10 View Policies View Policies Current Attempt in Progress Current Attempt in Progress In the Niagara Falls hydroelectric generating plant, the energy of falling water is converted into electricity. The A certain refrigerator consumes 180 watts of electric power to keep the temperature inside the refrigerator height of the falls is about 48 m. constant. This an open system: there are transfers between the refrigerator and the environment. Air in the room passes over metal coils that are part of the refrigerator and which are maintained at a higher temperature than the air, as you'll find if you touch the coils. Part 1 How many joules of energy pass from the coils to the air in 9 seconds? (a) Assuming that the energy conversion is highly efficient, approximately how much energy is obtained from one kilogram of falling water? i eTextbook and Media Save for Later Save for Later Attempts: 0 of 4 used Attempts: 0 of 4 used Submit Answer Submit Answer Part 2 (b) Therefore, approximately how many kilograms of water must go through the generators every second to produce ten megawatts of power (10 x 10% W)? i kg eTextbook and Media Save for Later Attempts: 0 of 4 used Submit Answer SUPPORT SUPPORT