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  1. upward 相關
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  1. ... Rule", the direction is then pointing vertically upward . If a torque is applied to the disk and makes...

    分類:科學及數學 > 物理學 2016年12月08日

  2. 1. A bullet is fired straight upward from ground with a velocity of 400 m/s from physics, its...

  3. ...rest. 3. At the moment after C, John is bounced upwards . Referring to 1, 2 and 3, you can see that John is ...

  4. ...situation is just the same as throwing an object (e.g. a ball) vertically upward from earth surface. After the object leaves the thrower's hand, ...

  5. ...to the horizontal. 2(a) vertical speed =20*sin 27° =9.08 m/s ( upward ) so the time required is given by: s=ut+0.5gt^2 120...

  6. 1. Your calculation is correct. 2. Your calculation is correct. 3. Yes, calculation is correct.

  7. ... of the two triangles are the same, this shows that the upward displacement equals to the downward displacement. Hence, point R ...

  8. Please read: Q.1 & Q.2 --- http://i.imgur.com/ztTp9Tf.jpg Q.3 --- http://i.imgur.com/yuZJpvT.jpg

    分類:科學及數學 > 數學 2015年04月28日

  9. 1. tan∠BAC = 2 and tan∠EBF= 2 ∠BAC = ∠EBF CA // BF (alt. ∠s equal) CA is a vertically line. CA² = AB² +BC² (Pythagorean theorem) CA² = 2² + 1² m² CA = √5 m...

    分類:科學及數學 > 數學 2015年04月27日

  10. The force component that pushes the box going up the plane = F.cos(48) Hence, use : net force = mass x acceleration F.cos(48) - mg.sin(48) = ma i.e. F = [m(a + g.sin(48))]/cos(48) = [37.6 x (8.1 + 10.sin(48))]/cos(48) N F = 873 N [Take g, the acceleration...

  1. upward 相關
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