Physics, 25.01.2021 18:40, romana21

7. A girl pushes her little brother on his sled with a force of 300. N for 750. m. How much work is this if the force of friction acting on the sled is (a) 200. N. (b) 300. N?

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7. A girl pushes her little brother on his sled with a force of 300. N for 750. m. How much work is...