1. The problem statement, all variables and given/known data A ball is placed 0.700m from the end of a declining ramp and rolls down the ramp in 0.750s. The marble is also 0.175m from the horizontal. The ball hits a mark on the floor that is 1.70m from the bottom of the ramp on the x-axis. What mount of time is the ball in the air after leaving the ramp? 2. Relevant equations 3. The attempt at a solution Can't find initial velocity.