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Sound travels at different speeds in different mediums. Rank the three mediums sound can travel to from fastest to slowest.
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The pressure proportional to the area a- inversely b- directly c- increase d-decrease
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1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
Sound travels at different speeds in different mediums. Rank the three mediums sound can travel to f...
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