In a closed insulated container

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Thermodynamics · Thermodynamics

Problem

In a closed insulated container, a liquid is stirred with a paddle to increase the temperature, then which of the following is true: (1) ΔU=w≠0,q=0\Delta U = w \neq 0, q = 0 (2) w=0,ΔU=q≠0w = 0, \Delta U = q \neq 0 (3) ΔU=0,w=q≠0\Delta U = 0, w = q \neq 0 (4) ΔU=w=q≠0\Delta U = w = q \neq 0

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