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Alexes and Krystina each slide their own 50 lb box from one corner of the room to the other. Alexes takes twice as long

Alexes and Krystina each slide their own 50 lb box from one corner of the room to the other. Alexes takes twice as long to move her box. Which statement is true? 1. Alexes is more powerful 2. The mechanical power is the same for both

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