Q1. Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they walk away in different directions. Ricardo walks 24.0 in a direction 60.0 west of north. Jane walks 12.0 in a direction 20.0 south of west. They then stop and turn to face each other.
Q2. A ball made of pure gold, has a mass of 50 kg and volume of 4·10-3 m3. Knowing that density of pure gold is 19.2·103 kg/m3, compute the inner hollow volume of the ball.