(1 point) A stone dropped into a still pond sends out a circular ripple whose radius increases at a constant rate of 3.1 ft/s. (a) How rapidly is the area enclosed by the ripple increasing when the radius is 4 feet

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.