In one of your experiments, you will roll a marble down a ramp to provide an initial horizontal velocity. Suppose you start the marble at rest (v.= 0 m/s) and it travels a distance of, d, down the ramp. Use 1-D kinematics to predict the velocity of the ball (v.) at the bottom of the ramp. Hint: the acceleration of the ball down the ramp is 9.81*sin(0) m/s where 0 is the angle of the ramp. Record you answer in variables (you will calculate the velocity with magnitudes when you perform the experiment). 2. Use the kinematic equations to derive a general equation for the time it takes a ball dropped from rest at vertical height, h, to reach the ground.