Question

Power developed by a person on eating 100 g of ice per minute is –

• A. 130 W
• B. 560 cal/sec
• C. 560 J/sec
• D. None

Answer 1

Answer: (C)

560 J/sec

Answer 2

W = 100 × 80 × 4.2 J

P = $\frac{dW}{dt}$= $\frac{100 \times 80 \times 4.2}{60}$ J/sec

P = 560 J/sec