# Yahoo奇摩 網頁搜尋

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1. ### Elastic head- on collision

The Q is solved as follows: 圖片參考：http://i238.photobucket.com/albums/ff245/chocolate328154/Phy037.jpg?t=1214461541

2. ### physics - Force

( a ) When the proton moves an infinitetesimal displacement dx, work done dW = F.dx Hence...

3. ### Physics about Newton's Law

...mass = 5500kg), Q truck (mass=3000kg) hit P. Then both trucks moved forward 30m after collision Friction acting on trucks was 6000N a ) What was the speed of the trucks after collision 兩車一起滑行...

4. ### physics (light)

... result, you can say you have had a far enough object. On the other way round, if you move your setup backward and found...you move farther from that, what you can get may be 2.201 or 2.202 and soon 2.2151 and...

5. ### the resistivity of metal oxide (thermistor)

...conductivity is strongly dependent on temperature. In metals...contain free electrons that move through a lattice of positive ions. ...erratic they are more likely to get in the way and disrupt the flow of the...

6. ### 有少少問題?

...to time expansion. Since you are moving with high velocity, which is comparable to that of... to Relativity, you will experience a time expansion on the spacecraft. However, you don’t even notice...

7. ### A Physics Question

... force acting on the block: 50sinA - 10 down the slope. sine F = ma a = (50sinA-10)/10 thus the block will move down the slope at an acceleration... into the above and you will get the answer. Happy ...

8. ### Physics E&M (2)

..., on one side of the object A and, since it is earthing, only negative charges are free to move ( positive charges are induced on one side which is fixed by induction...

9. ### F.4 Physics 一個關於inertia既問題 測驗用

...need no force to keep you moving . As such, you feel no force acting on you. (c) When the..." is a physical quantity used...plane B has got a larger inertia...

10. ### fluid power

... Py = Fy / Ay => Fy = PyAy, A is the area As the volume of fluid leaving X is...

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