a tennis ball rolls off the egde of a table top 0.750m above the floor and strikes the floor at a point 1.40m horizontally from the edge of the...

a tennis ball rolls off the egde of a table top 0.750m above the floor and strikes the floor at a point 1.40m horizontally from the edge of the table. a) find the time of flight of the ball. b)find the magnitude of the initial velocity of the ball and c) find the magnitude and direction of the velocity of the ball just before it strikes the floor