Find the How Much Mechanical Energy Was Converted to Internal $1.82 \mathrm {~m}$

question 41

Multiple Choice

Find the how much mechanical energy was converted to internal energy in the system box-surface-Earth when a box moves in a complete circle of radius $1.82 \mathrm {~m}$ on a uniform horizontal floor.The coefficient of kinetic friction between the floor and the box is 0.25,and the box weighs $65.0 \mathrm {~N}$

• A)190 J
• B)0 J
• C)1800 J
• D)370 J

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