Most popular questions and responses by Haroula
  1. Physics Correction

    You drop a ball from a window on an upper floor of a building and it is caught by a friend on the ground when the ball is moving with speed vf. You now repeat the drop, but you have a friend on the street below throw another ball upward at speed vf exactly

    asked on February 7, 2012
  2. Physics

    A force 1 of magnitude 7.20 units acts on an object at the origin in a direction θ = 29.0° above the positive x-axis. (See the figure below.) A second force 2 of magnitude 5.00 units acts on the object in the direction of the positive y-axis. Find

    asked on February 14, 2012
  3. Physics

    A stuntman sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 10.0 m/s, and the man is initially 2.75 m above the level of the saddle. Please Show work!! I am completely lost!

    asked on February 7, 2012
  4. Physics

    A model rocket is launched straight upward with an initial speed of 58.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until its engines stop at an altitude of 120 m. (a) What can you say about the motion of the rocket after its

    asked on February 7, 2012