Recent content by BSH

  1. B

    A feather and a ball falling with air resistance

    Follow-up: do I have to use conservation of energy?
  2. B

    A feather and a ball falling with air resistance

    Homework Statement Suppose you drop a feather and a steel ball of equal masses (0.014 kg) at the same time from a height of 2.2 m and you are told that the feather hits the floor 3.5 s after the steel ball. Estimate the value of the terminal velocity of the feather in air. Then, estimate the...