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1. ### free fall motion question

Take downwards as +VE. The above calculations consider the downwards journey where the boy returns...

2. ### physics---electricity2

Consider a radius R that is at an angle a above the horizotnal axis through P The small arc on the semi-circle subtebded by...

3. ### Physics starship

Let h be the height of the table above the floor, and v be the projecting speed of the ball. On earth: ...

4. ### f.4 physics!

...right angle triangle is oriented with side AB vertical with A above B, BC is the base (horizontal). Under the orientation ...

5. ### physics vt-graph問題 (20點)

... taken into account. 2. In the tradiational convention, areas above the time axis (i.e. +ve displacement) indicates displacement towards the left, whereas...

6. ### PHY ===MC (SHOW YOUR WORK)

...conservation of momentum initial momentum = mu final momentum = mv1+2mv2 u = v1 +2v2 using above forumla, eliminating ans A conservation of kinetic energy: final energy...

7. ### 物理高手..幫幫忙

The pressure given by the trapped air above the mercury column in the barometer = (750 - 740) mmHg = 10 mmHg ...

8. ### 物理PHY

...s⁻² Take downward quantities as positive. Let h m above the ground be the height of the balls meet in air. Ball ...

9. ### question: about energy

...at "H"; to the terminal planform. "H"; is 30 m above the terminal platform (vertically). Track provides friction of 300 N...

10. ### 點解係水底壓力會大過水面?

It is because the water at the bottom is under compression by water above it. This causes the water to become more dense, i.e. water ...

1. ### 相關詞

 above all above泳鏡 rise above above over的區別 over and above above 用法 above life above below