stefanlemcke4875 stefanlemcke4875

16-01-2023
Physics

contestada

A 20.0 kg rock is sliding on a rough, horizontal surface at 8 m/s and eventually stops due to friction.the coefficient of kinetic friction between the rock and the surface is 0.2
what average thermal power is produced as the rock stops?

a. 32.0
b. 78.4
c. 128.0
d. 313.6

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