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Mathematics, 24.05.2020 03:59 ira51

A 1.2-kg mass is projected up a rough
circular track (radius = 0.80 m) as
shown. The speed of the mass at point
A is 8.4 m/s, and at point B, it is 5.6 m/s.
What is the change in mechanical
energy between A and B caused by the
force of friction? *

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A 1.2-kg mass is projected up a rough
circular track (radius = 0.80 m) as
shown. The spe...

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