Question of the Day!

Dynamics

A steel ball falls on a large metal surface with a velocity of 40ft/s at an angle of 300

The rebound velocity in ft/s of the ball is most nearly (assume a coefficient of restitution between the ball and plate to be 0.47)

9.400

18.80

34.64

35.89

HINT

This question of the day was provided by the courtesy of  Professor Autar Kaw of the University of South Florida from the book FE Practice Exam With Complete Solutions

 

If you disagree with the way the question is posed or disagree with the correct  answer, please let me know.