Asked by Bob
                Two identical balls roll off the edge of a horizontal table top. One leaves traveling at twice the speed of the other. Which ball hits the floor first? Why? 
            
            
        Answers
                    Answered by
            bobpursley
            
    what do you think?  It does you no value for me to do the thinking first.
    
                    Answered by
            Bob
            
    I would say they hit the ground at the same time but im not sure
    
                    Answered by
            Elena
            
    The balls have different horizontal components of their velocities, but the time of falling down is determined by the time of vertical motion which is identical for both objects t =sqrt(2h/g).
    
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