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1. 排列方式

1. ### 關於力與運動的問題 (2)

...force. The reaction force, given by the ejected water to the rocket, propels the rocket to go up. (Newton's Third Law of Motion...

2. ### moment

Increase in velocity of airplane after 9 s = (1050 - 1000) km/h = 50 km/h = 13.89 m/s Hence, increase in momentum of airplane = 10 000 x 13.89 kg.m/s = ...

3. ### [物理]Motional emf諗唔明

...interaction gives rise to a force (known as Lorentz force) that propels the electrons to move along the rod in a certain direction. This ...

4. ### Steven jobs

.... The success of these products and services propelled Apple to become the world's most valuable publicly traded company in...

分類：社會及文化 > 語言 2012年12月07日

5. ### 英文翻譯,高手賜教,

1.rising tide of prosperity 社會日益富裕的趨勢 / 大勢2.The sustained burst of personal spending 個人銷費不停膨脹 3. tricky task - 難辦的任務 4.efforts ...

分類：社會及文化 > 語言 2011年11月08日

6. ### 10 transportation (in English)

...for a few passengers Sail boat – a vessel with large sails propelled by wind Submarine – a motorized vessel that can travel under water

7. ### cannon ball help~

... Heat causes air to expend in the chamber (炮膛) to propel the cannon ball--KINETIC ENERGY The cannon ball goes...

8. ### Some simple physics question

... will turn the tumbler back to its upright position. 4. Water rocket propels because of the reaction force produced by the ejecting water. There...

9. ### projectile motion

...there is no vertical speed, but there is an horizontal speed of 52 m/s which propels Q to move throughout the whole journey. Hence, Q is ...

10. ### Sea horse

.... Seahorses beat their dorsal fins back and forth to propel themselves through the water in an upright position. The food that ...

分類：社會及文化 > 語言 2010年09月30日