The speed of a 2.0-kg object changes from 30 m/s to 40 m/s during a 5.0-s time interval. During this same time interval, the velocity of the object changes its direction by 90°. What is the magnitude of the average total force acting on the object during this time interval?
◦ 30 N
◦ 20 N
◦ 40 N
◦ 50 N
◦ 6.0 N