gc textbook chater 14 heat (id: 86f9e8c5d)

本题目来源于试卷: gc textbook chater 14 heat，类别为 IB物理学

[填空题]
After a hot shower and dishwashing, there is “no hot water” leftz w g/w+cpp58j in the 5m 8 m1rpj1pkah/tji+j/qo. 4 r2q+iev0-gal (185-L) water heater. This suggests that the tank has emptied and refilled w8/j1 jmkqajiipphe.o+ r1/ t v2rqm 4+ith water at roughly 10$^{\circ} C$. (a) How much energy does it take to reheat the water to 50$^{\circ} C$? (b) How long would it take if the heater output is 9500 W?    s

参考答案: 3260±2%


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