Question 1
A bird feather and iron with the same mass are dropped in a vacuum chamber with the same height and reach the floor at the same time of one second. If we repeat this experiment but the air leaks into the chamber, compare the time of falling between the bird feather (tb) and iron (ti). Choose the correct answer below and explain the reason. A. tb = ti = 1 s B. (tb = ti) > 1 s C. tb > ti > 1 s D. ti > tb > 1 s Answer: … (1 point) Explanation: … (1 point)
