state two reasons to account for the difference between the energy supplied by the heater and the energy absorbed by the water..???!!
唔該哂=]
好急架@v@
reasons of calculate the energy absorb and the energy supply
2007-10-02 12:12 am
回答 (1)
2007-10-02 12:24 am
✔ 最佳答案
1. heat loss to the surroundings2. heat capacity of the cup, or other apparatus
3. efficiency of the heater(not 100% electricity is converted into heat)
4. you did not wait. it take time for the water to raise temp(evenly)
3 and 4 is not so good, 4 is the worst
i suggest you answer 1/2/3
參考: me
收錄日期: 2021-04-13 14:33:28
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