GENERAL: Impact Velocity If a marble is dropped from a height of x feet, it will hit the...

GENERAL: Impact Velocity If a marble is dropped from a height of x feet, it will hit the ground with velocity miles per hour (neglecting air resistance). Use this formula to fi nd the velocity with which a marble will strike the ground if it is dropped from the top of the tallest building in the United States, the 1451-foot Willis Tower in Chicago.