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60.
If the ball to the right is on a frictionless surface and the string breaks, what is the path of the ball?
A. Straight out away from the center. The centripetal acceleration is along the string toward the center.  

The instantaneous velocity is tangential to the path or perpendicular to the string.

With no acceleration after the string breaks, the path ofthe ball will be perpendicular to the string and to the left facing the ball from the center.

The Correct Answer is C.

B. Straight inward towards the center.
C. Perpendicular to the string and to the left facing the ball from the center.
  
D. Perpendicular to the string and to the right facing the ball from the center.