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17. How much work is required to pull a sled if you use 75 watts of work in 10 seconds? 18. A box with a

17. How much work is required to pull a sled if you use 75 watts of work in 10 seconds?

18. A box with a mass of 25 kg sits on the floor. How high would you need to lift it for it to have a GPE of 275J?

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