AP Physics 1mediummcq1 pt
A block slides 3.0 m across a floor where μ_k = 0.30 (m = 2.0 kg, g = 10 m/s²). The thermal energy generated is
A.18 J
B.6.0 J
C.60 J
D.9.0 J
Explanation
Core Concept
E = μ_k mgd = (0.30)(2.0)(10)(3.0) = 18 J.
Correct Answer
A18 J
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