A stone of mass m is attached to a string and is rotated in a vertical circle of radius r. at bottom of the track, the tension in the string is 4 times the weight of the stone. The velocity of the stone at this point is : O a. (3g r)1/2. O b. (g r)/2. Oc. 3g r. O d. 3(g r)1/2.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter6: Applications Of Newton’s Laws Of Motion
Section: Chapter Questions
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A stone of mass m is attached to a string and is rotated in a vertical circle of radius r.
at bottom of the track, the tension in the string is 4 times the weight of the stone.
The velocity of the stone at this point is:
O a.
(3g r)1/2.
O b. (g r)/2.
O c.
3g r.
d. 3(g r)/2.
Transcribed Image Text:A stone of mass m is attached to a string and is rotated in a vertical circle of radius r. at bottom of the track, the tension in the string is 4 times the weight of the stone. The velocity of the stone at this point is: O a. (3g r)1/2. O b. (g r)/2. O c. 3g r. d. 3(g r)/2.
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