A Block of Mass M = 0

A block of mass m = 0.2 kg slides across a rough horizontal surface with coefficient of kinetic friction μ_k = 0.5. What is the change in entropy after the block has moved a distance of 1 m? The temperature of the block and surrounding is 22°C.

A) 4.5×10^-2 J/K
B) 3.3×10^-3 J/K
C) 6.7×10^-3 J/K
D) 9.0×10^-3 J/K
E) zero