A sled of mass 70 kg starts from rest and slides down a 10° incline 80 m long. It then travels for 20 m horizontally before starting back up an 8° incline. It travels 80 m along this incline before coming to rest. What is the magnitude of the net work done on the sled by friction?
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![A sled of mass 70 kg starts from rest and slides
down a 10° incline 80 m long. It then travels for
20 m horizontally before starting back up an 8°
incline. It travels 80 m along this incline before
coming to rest. What is the magnitude of the net
work done on the sled by friction?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcd79744c-073a-4740-9671-d1eb614a84ed%2F6071c446-9a8f-4259-ae26-e9f39ba1b551%2Fgl716p_processed.jpeg&w=3840&q=75)
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