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24-01-2024
Physics

contestada

The speed of the mass at point A is 3.2 m/s, and at point B, it is 6.0 m/s. How much work is done on the mass between A and B by the force of friction?
a. 3.8 J
b. 6.8 J
c. 9.6 J
d. 12.2 J

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