Physics Homework?
2017-02-14 11:29 pm
How much energy is needed to raise the temperature of 3kg of water by 4 degrees celcius?
回答 (1)
2017-02-14 11:55 pm
✔ 最佳答案
Energy needed= m c ΔT
= (3 kg) × [4186 J / (kg °C)] × (4°C)
= 50200 J
= 50.2 kJ
(to 3 sig. fig.)
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