Question

As a rock of mass 3.0 kg drops from the edge of a 60. meter high cliff, it experiences air resistance, whose average strength during the fall is 22. N. At what speed will the rock hit the ground?
Answer

1.5 m/s

13 m/s

18 m/s

26 m/s

34 m/s

Answer 1

1.5 m/s