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1. Mass -spring oscillation

Since you did not give a simple description to your experiment...equare of period of oscillation (T^2) against the mass hung on the spring (m) If the effective mass of the spring (Me) is taken...

2. Forced harmonic motion

Since you did not give a description of your experiment, I could only...oscillation system. 1. The main discrepancy is because of the effective mass of the spring, as part of the spring also oscillates. ...

3. What is disadvantage of rail transport?

The railway is an effective mode of transport, and it is environment-friendly too, for it... expensive to build. The process of building the mass structure has a higher risk of industrial ...

4. periodic table 既pattern 問題

... reside in the same energy shell and do not offer increased ... combine to make the effective nuclear charge. That is... ATOMIC MASS This is the mass of one...

分類：科學及數學 > 化學 2008年02月18日

5. fusion and fission (physics)

...process. Unfortunately, I do not have data for calculation. After that, you can divide this missing mass by the mass of the reactant. Since...very likely fusion of hydrogen is more effective in generating energy. ...

6. AL physics SHM question (20)

... simplying aplying the priod formula for spring and mass system: T = 2π√(m/k) with m = m/2 and k = a4/b3...b3)] = 2π√[mb3/(2a4)] 2011-01-15 22:36:58 補充： how did (1 + h/xo)^-2 become (1 - 2h/xo)? You can just simply...

7. Management of Walking (Wandering) Around

...before those problems would become into mass destructive that would have disastrous impact... In order to obtain effective communications, there two things have to do : First, manager should facilitate upward...

8. Hk economy QQ!! ((爆急) (F.1) (20點)

...industry in this period of rapid development, manufacturers mass -produced plastic toys, a toy industry in ... and Wan Juzhan. With effective marketing, low prices, quality, a short period...

9. physics

1. friction = coefficient x normal reaction = coefficient x mg = 0.25 x 1000 x 10 = 2500N work = (applied force - friction) x displacement = (1000x10 sin 17.5 - 2500 ) x ( 300) = 152kJ 2. All KE is changed to PE, 1/2mv^2=mgh, 1/2 x 5.6^2 = 10 x h, h=1.568m as h=(1/2)v^2/g...

10. 好熱的手機髮出的幅射,有多少sv

...) is a unit for effective dose. It is used...radiation. Mobile phones do not emit ionizing radiation. ... the energy absorbed by unit mass of body tissue when the phone is...