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- Only the first columnTHANKSAn electric-powered snow-thrower machine throws snowballs 0.2 kg each at a speed of 9 m/s. The machine throws 2 snowballs per second. What is the average electric power consumption of such a machine? Consider that its efficiency is 50%. Express your answer with the appropriate units. P = 48.6 Submit μA W Previous Answers Request Answer ?