Recent content by zaal

  1. Z

    Speed, Acceleration and Time - SUVAT Equations and Speed Time Graph

    Sorry I made one mistake I corrected it (I forgot to add the distance traveled before deceleration). PS Don't forget v=0 for t>9
  2. Z

    Speed, Acceleration and Time - SUVAT Equations and Speed Time Graph

    8 seconds total is 4 seconds after the deceleration starts. So the velocity at t=8s is equal to 50 m/s - 4 s ( 10 m/s2 ) = 10 m/s 12-4=8 so 50 m/s - 8 s ( 10 m/s2 ) = -30 m/s, however the deceleration end at v= 0 m/s. So the speed actually is 0 m/s. To find the total distance traveled one has...
  3. Z

    Falling air resistance, determining g

    Thanks for the help! I forgot the thing about the Reynolds Number! Do you think it makes a lot of difference? I worked out a solution with the help of Mathematica: t_{a1} and t_{a2} are known, t_a, the moment the center passes is unknown. However, I think (correct me if I'm wrong please)...
  4. Z

    Falling air resistance, determining g

    Homework Statement Hi, I'm trying to determine g (very precisely) using a falling ball in non-vacuum. I'm using three laser beams (along the z-axis), they're detecting when the ball enters the beam and leaves it again. This will give me six different times. To only problem is that we don't know...
Back
Top