Recent content by Lechiam

  1. Lechiam

    Sign of Acceleration of dropped tennis ball at the floor

    Okay, that makes sense. Thanks a lot!
  2. Lechiam

    Sign of Acceleration of dropped tennis ball at the floor

    Homework Statement You drop a tennis ball on a hard floor, and it bounces upward. If the x-axis is directed upward, what is the sign of the acceleration while the ball is in contact with the floor? Homework Equations a=v/t The Attempt at a Solution I thought that the acceleration when the...