Recent content by corporateflea

  1. C

    Kinematics: Throwing ball up the building with unknown initial velocity

    So how do I go about solving the initial v? Any step by step advice?
  2. C

    Kinematics: Throwing ball up the building with unknown initial velocity

    I tried exactly that...but no avail... Well you can say when the ball reaches the top...and starts to fall you can do the following.. Initial V= 0 m/s A= -10m/s/s but that's it.. Still t and delta x are unknown...
  3. C

    Kinematics: Throwing ball up the building with unknown initial velocity

    Homework Statement At the top of the building that's 65m high, a guy throws a ball upward. The ball comes back down and hits the ground in 4 seconds. A)What is the initial velocity when the guy threw the ball? B)What is the highest height of the ball? C)At what time does the ball comes...