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1. ### CE Physics – Force & Motion

...acceleration of the man (which is also that of the lift) solve for a gives a = 3 m/s2 3. Let T be the tension...the cable. Apply net-force = mass ...

2. ### Phy mc i want clear explanation plz ~

...the particle. Your weight is a constant (mg) in Earth, so it doesn...&#39;s why the spring balance gives different values. The answer...reaction). ...

... = force x distance = 500x10x1.3 = 6500J b. use a 剷車 to unload the goods. the machine is more expensive. ...

4. ### 英文句了問題

...出醜。 "Much to" = gives / contributes a lot into ... e.g. Mr ... normally very mean. Much to my surprise, he offered me a lift home the ...

分類：社會及文化 > 語言 2007年08月13日

5. ### 物理科force & motion.

...with s = 2 m, u = 0 m/s, a = g, t = k hence, 2 = (1/2)gk^2 Apply the same equation to the surface of the moon, where the...because of the ...

6. ### 運動力學 20分 torque and angular

... to contract in order to give the necessary torque. 2.(e) ...the pitching arm will give a lower tangential speed of the...A: The arm is lifted at 45 ...

7. ### 幫手check 文法錯誤ok?

... , it was indeed a fine day with excellent weather then something...10:30 am, I went to the Wan Chai ...quite old that did not have any lifts. We had t ...

分類：社會及文化 > 語言 2012年08月19日

8. ### what's the meaning of take up?

... of take up? take up 1. To raise; lift. [拿起] e.g. Please help me to take up this heavy box. 2. To reduce in...g. Let's take up each problem ...

分類：社會及文化 > 語言 2010年04月21日

9. ### 關於物理的簡單問題

...p) and I(q) respectively, is inversely proportional to resistances of P and Q. I(p...(q)] = D(p)^2/[D(p)^2 + D(q)^2] given that D(p) = D(q)/2, i.e. ...

10. ### what is the advantages of smiling?

...phone because your vocal chords actually lift up. When you smile, the action triggers...of our lives, and help us to live happily. Also, you can give i ...

分類：社會及文化 > 語言 2007年03月24日