# Yahoo奇摩 網頁搜尋

1. ### 電力學!!!!!!電阻和熱力!!!

... up in the conductor. When the electrons pick up speed, they collide with atoms of the conductor and force... will casue more atoms to vibrate vigorously, which leads to more heat to be produced.

2. ### 冷縮熱漲玻璃球??急..!!!!!!!!

...same time, the air inside the bulb is also heated up and tends to increase in volume. Because the...the glass bulb (expansitivity of glass is usually low), this leads to an increse of air pressure, thus forcing the ...

3. ### al physics (potential)

... and Y and that beween plates Y and Z should add up together equal to 0.08 cm. That is, separation between sucessvie plates...

4. ### current in inductor

...increase in current through the inductor causes a build up in magnetic field. By Lenz Law, back emf... with time (Ohm's Law). This leads to a decrease of voltage across the inductor. When the...

5. ### F3 Physics Question(2)

..., the rise in temperature was lower than it should be. Thus leads to a higher experimental value of specific heat capacity. (2) Since you...

6. ### phy~~mgsinθ

...mgsin(θ) Assume the mass travels a distance s up the plane, work done by F = [mgsin(θ)].s = (mg...in potential energy by the mass Now the force F leads a decrease of kinetic energy of the mass, i.e. work done...

7. ### differences between primary cell and secondary cell?

primary cells use up the materials in one or both of their .... examples Primary Cell - Lead acid battery Some of the advantages: -...

8. ### 有無人知金屬板的厚度, 由ga 轉到 mm 的formula

...size just fitting inside the barrel, that were required to make up a pound. In other words, if a lead ball weighing 1/12 pound just fit in the barrel of a shotgun, then it was...

9. ### X 光 可唔可以穿過石紙??

...interaction material . 4. you can make your suitcase with a few mm thick lead , and you&#39;re guaranteed that the security won&#39...be VERY heavy and you might get arrested for setting up a hoax :)

10. ### CE Phy waves

... as the point is at maximum. [in phase leads toc onsrtuctive interference] * Note that constructive interference... SOURCES [both two sources vibrate up or down at instant]. Destructive interference ...