A Uniform Ball Is Released from Rest on a No-Slip

question 72

Multiple Choice

A uniform ball is released from rest on a no-slip surface, as shown in the figure. After reaching its lowest point, the ball begins to rise again, this time on a frictionless surface. When the ball reaches its maximum height on the frictionless surface, it is

• A)higher than when it was released.
• B)lower than when it was released.
• C)at the same height from which it was released.
• D)It is impossible to tell without knowing the mass of the ball.
• E)It is impossible to tell without knowing the radius of the ball.