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  1. ... mobile phone maybe too old that the detection system for the battery level is out of order . First of all, normally mobile batteries are using electrolytic...

  2. ...and λ = 4 x 10-7 m for violet: m <= 8.25 Hence max. no. of order is 8 for violet. With λ = 7 x 10-7 m for violet: m <...

  3. ...not related to this equation in order to prove this, we should make some ...5m(v2) ^2 so obviously, when the velocity of gas particle increases, the pressure... Equation are OUT OF SYLLABUS

  4. ... 2009 The Question about convex and concave mirror is out of syll. Q.18 You should need how to do In order to obtain a smaller image the object distance should increase and the image distance...

  5. ...turn presses the lung into a small volume, thus releasing air to breathe out . (The pressure of air inside your lung must be in equilibrium with the atmospheric pressure in order to save our body energy.) 2008-11-08 10:49:11 補充: The muscles...

  6. 1. insulator 3. current 4. decreases 5. heating 6. fuse 7. brown, blue, yellow and green 8. parallel circuit

  7. ...變左冰又會變水 之後會係咁重複? No, this would not happen.In order for ice/water to change state, there must be heat flowing into or out of the subtance. But heat only flows when there is a temperature difference...

  8. ... that v2 = GM / r. So, in order to have a smaller radius of orbit, the speed should be decreased. 2.a...moment of inertia, e.t.c., then this question is out of AL physics syllabus. paper 2. 17...

  9. ... = 1 x 4.2 x 100 kJ = 420 kJ Total heat given out = (2260 + 420) kJ = 2680 kJ Mass of ice melted in order to provide such amount of heat = 2680/334 kg = 8 kg Hence, there is (10...

  10. This is a force-magnetic inducing a current. Hence, we use Fleming's right hand rule. For the magnetic field pointing in the paper, the induced current flows clockwisely, the force should be downward. Hence, it is D...