Q1. Vector is 6.20 units long and points along the negative axis. Vector is 8.10 units long and points at 30 to the positive axis. What is the magnitude of sum?
Q2. Two boxes A and B are connected to each end of a light vertical rope. A constant upward force 80.0 is applied to box. Starting from rest, box descends 10.4 in 3.40. The tension in the rope connecting the two boxes is 37.0