Physics

Physics

Problem

In a closed insulated container, a liquid is stirred with a paddle to increase the temperature, then which of the following is true: a. ΔU=w≠0,q=0\Delta U = w \neq 0, q = 0 b. w=0,ΔU=q≠0w = 0, \Delta U = q \neq 0 c. ΔU=0,w=q≠0\Delta U = 0, w = q \neq 0 d. ΔU=w=q≠0\Delta U = w = q \neq 0

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