A sled of mass 70 kg starts from rest and slidesdown a 10 incline 80m...

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A sled of mass 70 kg starts from rest and slidesdown a 10 incline 80m long. It then travels for 20m horizontally before starting back up an 8incline. It travels 80 m along this incline beforecoming to rest. What is the magnitude of the network done on the sled by friction?Round your answer to 2 decimal places.Add your answer

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