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  1. For the pressure and temperature 4000m above sea level, Pb = 101325 (pascals) Tb = 288.15 (kelvins...

  2. 國泰機師條件 = same as those stated on their recruitment ad or website.

  3. Keeps the earth warm. If there is no greenhouse gases trapped in the atmosphere, our earth will be under -18 degree celcius

  4. 1a.What is the heaviest gas in the world? If you are looking for an element then it will be radon (Rn). 2a.What is its density? Its density is (9.73 g/L). http://en.wikipedia.org/wiki/Radon http://www.radon...

  5. ...to remain divergent. Statement (2) is right. As said in above , when the sphere touches the bottom of the container, all its +ve ...

  6. ... force = 104.4 N At an angle of tan-1 (10/104) = 5.5 deg. above the horizontal

  7. ...2. a circular coil flat on a horizontal table. a bar magnet is held above its center with its north pole point down. the stationary magnet induces...

  8. ..., California. The town sits at 2,200 feet above sea level and the current population is approximately 85. It is ...

  9. ... the same mass as the trolley is dropped from a height slightly above the trolley and sticks to it. Find the total loss in kinetic energy...

  10. ... case: The coin is going up and at the position of 50 cm above the ground. This takes 0.113 s. The second...