Physics, 15.10.2019 02:30 danielcano12281621

Asled of mass 80 kg starts from rest and slides down an 18° incline 90 m long. it then travels for 20 m horizontally before starting back up a 16° incline. it travels 90 m along this incline before coming to rest. what is the net work done (in j) on the sled by friction?

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Asled of mass 80 kg starts from rest and slides down an 18° incline 90 m long. it then travels for 2...