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  1. It is obvious that R should be connected as shown in fig.2b. In fig...

  2. This is very obvious based on common experience. The physics behind this fact is...

  3. ... answer is D. For A, It is obvious . That alpha particle has the shortest range in air while the...

  4. 1. D 2. D 3. D 4. D 5. D Given the answers, the reasons are obvious . You could be able to think them out.

  5. ...radially outward. Since friction always opposes motion, it is thus obvious that the direction of friction is pointing radially inward towards the ...

  6. ... will not be any relative motion between them. Hence, it is obvious that the tension in the string connecting them is zero. ...

  7. ... = √(k/m) 1/ 2π where k is the elastic constant, it is obvious that the frequency varies directly as √k. Therefore, if the tuner...

  8. ... cord. 2008-10-29 11:03:15 補充: The reason is obvious . The longer the cord, the arc traversed by the pendulum bob will...

  9. ...of the substance. The correctness of statements (1) and (2) is obvious as latent heat would increase the potential energy of molecules of the substance...

  10. The answers are obvious . 1. rules 2. rules, precautions