Yahoo奇摩 網頁搜尋

  1. ...degree to the horizontal. what happens to the magnitude of the ball vertical acceleration during the total time interval that the ball is in the air (1) it decreases, then increases...

  2. ... is moving in and moving out from the magnetic field, i.e. during the two time intervals t=0 to 0.02 s and t = 0.1 to 0.12 s, because an induced current is...

  3. ..., the displacement is 1 x 1 m = 1 m.Likewise, the average velocity during the time interval from t =1s to t=2s is (2+4)/2 m/s = 3 m/s, and the displacement = 3 x 1...

  4. .... Let y = the distance between the ferry and the cliff at t=0s: During the 3 seconds interval , the sound has travelled from x=0m to the cliff x=y and from the cliff...

  5. ... correct, because OA and EF represents the velocity during the time intervals when the gymnast is falling down and going out under gravity respectively...

  6. ... 40m south in 5s.what is the magnitude of the average velocity of the car during this 20 second interval ? 先計合位移 s = 90 – 40 = 50m 平均速度 = 位移 / 時間 = 50/20 = 2.5ms-1

  7. ...586 radians i.e. at t = 2.586/92.6 s = 0.02793 s Therefore, time interval = (0.02793 - 0.006) s = 0.02193 s (b) since 2.pi/入 = 2.15 where 入 is the wavelength hence, 入 = 2.pi/2.15 m = 2.922 m Speed of wave = 入/T...

  8. ... the distances travelled by car Y and that by car X during the time interval from zero to 8.5 s. (c) Area of yellow area (which is a trapezium...

  9. ... during periods of decceleration and acceleration are the same. During the decceleration, using equation of motion: v^2=u^2 + 2.a.s u = v_0, v = 0 m...

  10. ... force arises from collision is the 'impact force', and the time interval during which the impat force acts is the impact time, or simply the "contact...