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A coffee filter of mass 1.2 grams dropped from a height of 3 m reaches the ground with a speed of 0.7 m/s. What is

A coffee filter of mass 1.2 grams dropped from a height of 3 m reaches the ground with a speed of 0.7 m/s. What is the change in thermal energy of the air and coffee filter? Start from the Energy Principle, and choose as the system the coffee filter, the Earth, and the air

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