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  1. ...of that substance will be higher or lower? Please explain. The heat capacity will be higher since...solid.The transformation of heat in ice is such better than water as the molecules in ice is...

  2. ...on CD is typically aluminium. Please refer to the web-page below: https://en.wikipedia.org...question: The reflectance of gold is only slightly better than aluminium at wavelength between 600 nm ~700 nm...

  3. .... If you care about your past, why don't you do more better , in order make your life full of happiness. Here I hope your...

  4. Let m be the mass of ice and mass of steam respectively. Energy required to melt all the ice and increase thetemperature of the 0℃ to 100℃ water = mLf + mcΔT = m(3.34 X 105 + 4200 X 100) = (7.54 X 105)m J...

  5. ...25 micrometer and vary the slit width from 0.1 micrometer to 10 micrometer, it would yield a better view.

  6. ...參考資料: The discussion on designs of parachutes is well over 8,000 words which is available at http://en.wikipedia.org/wiki/...

  7. ...direction. The answer is option D. 2014-11-04 20:09:24 補充: Please see [意見] column. 2014-11-04 20:11:51 補充: Your further question: 4....

  8. ...the applied torque, and is independent on the linear speed of the sphere, as well as on the angle of slope.

  9. ...transfer in a material is determined by it's heat conductivity, the better the heat conductivity the faster the heat loss to surrounding. So...

  10. 1 (1) concave lens is a converging lens (2)image formed by concave lens is always virtual (3)the image formed by concave lens is always diminished Ans: A 2 冇scaner大約講俾你聽點畫 ray through optic centre(for both concave & convex...