An automatic dryer spins wet clothes at an angular speed of 4.9 rad/s. starting from rest, the dryer reaches its operating speed with an average angular acceleration of 3.1 rad/s2. how long does it take the dryer to come up to speed?

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.