When you exercise in the morning, by considering your body as thermodynamic system, which of the following is true?
A. ∆U > 0, W > 0
B. ∆U < 0, W > 0
C. ∆U < 0, W < 0
D. ∆U = 0, W > 0
Answer:B
When you exercise in the morning, by considering your body as thermodynamic system, which of the following is true?
A. ∆U > 0, W > 0 B. ∆U < 0, W > 0 C. ∆U < 0, W < 0 D. ∆U = 0, W > 0