I. PROBLEM SOLVING 1. A baseball is hit with a bat such that it leaves the bat with a velocity of 35 m/s. It is caught by the center elder 80 m away from the batter at the same level as it was hit. Find the angle at which the ball left the hat? 2. A 10 kg box is placed on a plane and the angle which the plane makes with the horizontal is gradually increased until at 30, the block starts down the plane. It is observed that the box slides down a distance of 4 meters in 2 seconds. Find a) Coefcient of static friction b) Coefcient of kinetic 'ictien