The iron ball shown is being swung in a vertical circle at the end of a 0.7-m string.How slowly can the ball go through its top position without having the string go slack?
A)1.3 m/s
B)2.6 m/s
C)3.9 m/s
D)6.9 m/s
E)9.8 m/s

Question

The iron ball shown is being swung in a vertical circle at the end of a 0.7-m string.How slowly can the ball go through its top position without having the string go slack? 
A)1.3 m/s 
B)2.6 m/s 
C)3.9 m/s 
D)6.9 m/s 
E)9.8 m/s

Quizplus · Accepted Answer

The Answer of The iron ball shown is being swung in a vertical circle at the end of a 0.7-m string.How slowly can the ball go through its top position without having the string go slack? 
A)1.3 m/s 
B)2.6 m/s 
C)3.9 m/s 
D)6.9 m/s 
E)9.8 m/s

The Iron Ball Shown Is Being Swung in a Vertical