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  1. ...too light in weight, too ductile, much more expensive Aluminium is almost definitely unsuitable for use as hammer!

  2. ... ignored in the claculation, the displacement so found is definitely much overestimated.

  3. ..., which generally is acquired by university education, you definitely cannot enter the physics profession.

  4. ...only reduce errors when you want to find the s.h.c. of water. ( 2 ) is definitely correct as this can reduce the heat loss to the surrounding. ( 3 ) is...

  5. ...the power of the car engine is a deterministic factor. A racing car definitely runs faster than a sedan.

  6. ...quot;transient state" and the whole circuit is given. You could definitely tell what is going to happen. Be aware that although the voltage across...

  7. ...的一側 由OBJECT底部發出的光線經折射後的方向 是否視作由焦點發出. Definitely no. As said in the answer to Q1 above, light rays from...

  8. ... by: integer part of d/λ. Since d decreases, definitely (3) will be incorrect. So ans is (1) and (2) only.

  9. ...at temperature of 100'C You answer of 147'C is definitely wrong. How come the final temperature could be higher than 100'C...

  10. ...to the weight of the car, your calculated normal reaction is definitely wrong.] Hence, centripetal acceleration = R.sin(30) + 2000cos(30) = 8083.sin...