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| 1. |
Your little cousin is over visiting celebrating the end of Covid lockdowns. He begs you for a piggy-back ride and you oblige. Your cousin has a mass of 20 kg and you lift him up .75 meters. You walk around for about 20 meters. How much work do you do over the course of your piggy-back ride? Group of answer choices 400 J 0 J 150 J 300 J 200 J |
| Answer» WER is 150 J150 J | |