9) A ball rolls from the edge of the table with a horizontal velocity of 35 m/s. Yhe horizontal range of the ball from the base of the table is 20 m. How high is the table?
10) A boy kicks a football from ground level with an initial velocity V0=19.60m/s
at an angle 30.0 degrees above the horizontal. How long does it take the football to compleate its trajectory and hit the ground?