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  1. ...term potential energy was introduced by the 19th century Scottish engineer and physicist William Rankine,although it has links...

  2. ...gt;> 如果你有f. maths 既話, 係可以揀 engineering 同埋佢有關既科, 即係好似chem eng, electrical eng..., 同f. maths, 所以好多type 既 engineering 你都可以揀, 好似electrical, civil, mechanical, ...

  3. 1. ( i ) Depth of the sea = (1500 x 6)/2 m = 4500 m (ii) No. Ultrasound is of frequency outide he adible range of the human ear. 4. (a)( i ) Amplitude = 8.5 mm Period = 30 ms Frequency = 1/30x10...

  4. ...radiation”. The food in the question is sterilized by “radiation” ( i .e. gamma rays). Since gamma ray is pure energy, once absorbed...

  5. ..., the worker needs to shout for a time of (3.873-0.221) s = 3.65 s 2. ( i ) Let d1 and d2 be the distance travelled by the lorry and racing...

  6. Do not mix up the unit of pound ( lb) and pound-force ( lbf). The former is a unit for mass, whereas the latter is a unit for force. The corresponding units in SI are kg and kgf, which are well konwn to physics students...

  7. ...equilibrium in the vertical direction, Ra + Re = (40 + 20 + 20 + 20) kN i .e. Ra + Re = 100 kN ------------------- (1) Taking moment about...

  8. ...by the Chartered Institute od Building Services Engineers . Please refer to the follwoing web-page: http://www.arca53.dsl.pipex.com/index...

  9. ...03-10 22:22:37 補充: not very agree your comment, i think chem,bio,phys,maths...etc is... in english, in society,if your job is engineering ,maths,scientist...you will face to many english, even...

  10. ... I have no idea of its publication. But I think, there should be similar British ... of Building Services Engineers , that such information could be found.