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  1. taking leave 相關
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  1. ...04 16:06:19 補充: The whole large sphere, of density (rho), has already taken one (rho). Leaving two (rho) for the small sphere. In other words, you could regard the arrangement...

  2. ...2gh) = √100 = 10 m/s So at the moment when he leaves the slide, his velocity is 10 m/s in horizontal... is the time of flight. Then, taking consideration for the horizontal part with air resistance ...

  3. ... velocity, u = 10 ms-1 Time taken , t = 4 s Acceleration due to gravity, g...distance between the sandbag and the ground when it leaves the balloon is 40 m.

  4. ...2m=1.32mApply v^2-u^2=2as, v = 0 at highest pt, u=vertical speed leaving ground, a=-g=-10 ( take downward as -ve and g=10), s=1.320 - u^2 = 2(-10)(2.52), u = 5.138 2007-04-10 14...

  5. ... the free fall acceleration due to the earth's gravity. Moreover it takes 500 / 9.8 = about 51 s to come to a momentary rest in the air after leaving the gun.

  6. When the sushi rises to 22C, total amount of energy it has absorbed will be 0.5 x (22 - 2) x 3000 = 30000 J Thus, time elapsed will be: 30000/7 = 4286 sec or 71.4 mins

  7. ... from the surface. Hence, loss of potential energy of m kg of water on leaving the tube at the bottom of the dam = mg(100) J = 1000m J [where g, the acceleration due to gravity, is taken to be 10 m/s^2] Gain in kinetic energy of the m kg of water = (1/2)mv^2...

  8. 1. Use equation: v^2 = u^2 + 2a.s with u = 9 m/s, a = -g(=-10 m/s^2), s = 3 m, v =? hence, v^2 = 9^2 + 2.(-10).(3) v = 4.58 m/s 2. Use equation: v = u + at with v = 4.58 m/s, u = 9 m/s, a =-g(=-10 m/s^2), t =? hence, 4.58 = 9 + (-10)t t = 0.442 s

  9. Q1. They live in africa, They eat grass, leaf , reed, seed, rootstock. 圖片參考:http://imgcld.yimg.com/8/n/HA05973820... seminar will be a issue that for protection or action will be taken

  10. The motion consists of two stages. The first stage is the upward motion from the springboard to the highest point. The second stage is from the highest point to the water. Eqaution of motion in the first stage: v...

  1. taking leave 相關
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