Physics, 13.02.2020 18:20 choiboiqg7084
A chain 72 meters long whose mass is 29 kilograms is hanging over the edge of a tall building and does not touch the ground. How much work is required to lift the top 14 meters of the chain to the top of the building?
Use that the acceleration due to gravity is 9.8 meters per second squared. Your answer must include the correct units.
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Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?
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A chain 72 meters long whose mass is 29 kilograms is hanging over the edge of a tall building and do...
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