Science F.1 please help!

2007-04-02 1:19 am

What is the source of energy using in bus,tram,MTR,Stream locomotive,bicycle?
(eg:town gas,coal,petrol,kinetic energy.....)

回答 (1)

2007-04-02 5:15 am

✔ 最佳答案

bus : chemical energy
tram & MTR : electrical energy
stream locomotive : chemical energy ( burning coal )
bicycle : kinetic energy

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