Recent content by Praline

  1. Praline

    High School Do weighted and unweighted toy cars roll down the same hill in equal time?

    I'm sure this is elementary for this forum, but can someone help me figure out if my son's science fair project results are correct? He rolled his toy car, with and without weight added, down hill and measured the time to get to the bottom of the hill and the distance traveled once the car hit...