1. A flywheel 6 ft in diameter accelerates from rest at a constant rate of 4 rpm per sec. Compute the normal and tangential components of the acceleration on the rim of the flywheel after 10 sec

2. A playground is on the flat roof of the city school 6m about the street. The ball takes 2.2 seconds to reach a point vertically above the wall.

a. Find initial velocity at which the ball was launch.

b. Find the vertical distance by which the ball clears the wall