AP Physics 2mediummcq1 pt
A 2.0 kg sample of water (c = 4200 J/kg·K) warms from 20 °C to 30 °C. The heat added is
A.84000 J
B.8400 J
C.42000 J
D.840000 J
Explanation
Core Concept
Q = mcΔT = (2.0)(4200)(10) = 84000 J.
Correct Answer
A84000 J
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