Recent content by descartes75

  1. D

    Simple Harmonic Motion Question

    I am going brain dead on a rather simple question. Appreciate some help. A mass of 4.5 KG attatched to a horizontal spring of constan 75 KN/m is compressed 0.4 m from Equilibirium and then a loose mass of 2.5 KG is placed in front of it . IF the mass is now released: 1. at what point...
  2. D

    Can a Baseball Thrown at 25 m/s Hit a Window 13 Meters High and 50 Meters Away?

    Thanks Guys. But isn't 45 degree for maximum range (HOrizontal distance) ?? In this case the range is fixed (50) so intuitively the angle doesn't have to be 45 degrees. You can imagine standing in front of a tall building with a ball and aiming for a high window. You won't ignore...
  3. D

    Can a Baseball Thrown at 25 m/s Hit a Window 13 Meters High and 50 Meters Away?

    Hi, There has to be a simple way of solving this and I am missing it: A student throws a baseball at a maximum speed of 25 m/s towards a window 50 meter away (horizontally) and 13 meters high. Can he hit the window? (assume the base of the window starts at 13 meters off the ground). What...
Back
Top