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  1. 1. The ammeter reading will decrease . The voltmeter reaing will decrease as well . 2. The ammeter reading will increase. The voltmeter reading will not change.

  2. a) First of all, the derivative of U wrt x is the force on the atoms: F = - dU/dx = - a/x2 + b/x3 So for the equilibrium separation, it implies that the net force on the atoms should be zero and hence: - a/x2 + b/x3 = 0 - a + b/x = 0 xo = b/a b i) Suppose...

  3. ...that dentist had made the injection for them, but it is better for you to see doctor and take a radiograph first. Any problem again, feel...

  4. Heat needed to melt all 0.5 kg of ice= 0.5 x (3.34x10^5) J = 167 000 J Heat given out by the 1 kg water water when it is cooled to feezing point = 1 x 4200 x 20 J = 84 000 J By comparing the two results, you would realize...

  5. ... are seldom adequately characterized in such chains as well . --- http://en.wikipedia.org/wiki/Food_chain 另一個簡單d既: A food chain...

  6. .... Other non-ginsenoside constituents likely affect blood glucose as well . For reducing postprandial glucose levels in patients...

  7. ... line indeed CHANGES from time to time. Please note that this situation is very exceptional. ... examples, T changes as well . Say, pulling different masses. (1...

  8. 1. Correct. 2. Where is the shaded area? Didn't see it on the diagram. 3. Correct. 4. Correct. 5. Correct. 6. Correct. 7. Correct.

  9. ...behind a partial vacuum. To protect astronauts well , a spacesuit must have a pressurized atmosphere, be... and radiation, and let you move easily. Please read the following articles for more ...

  10. ...the electrons tend to move more easily. Thank you for reading. Please kindly choose my answer to be the best one if you are happy with my explanation. 2007-03-17 11:56:54 補充...