A Lightweight Object and a Very Heavy Object Are Sliding

question 31

Multiple Choice

A lightweight object and a very heavy object are sliding with equal speeds along a level frictionless surface.They both slide up the same frictionless hill with no air resistance.Which object rises to a greater height?

• A)The heavy object, because it has greater initial kinetic energy.
• B)The light object, because gravity slows it down less.
• C)The lightweight object, because the gravitational force exerted on it is less.
• D)The heavy object, because it has more mass to carry it up the hill.
• E)They both slide to exactly the same height.