A weightless thread can bear tension upto 3.7 kg wt. A stone of mass 500 gms is tied to it and revolved in a circular path of radius 4 m in a vertical plane. If 
, then the maximum angular velocity of the stone will be
A
4 radians/sec
B
16 radians/sec
C
radians/sec
D
2 radians/sec
Text Solution
Verified by ExpertsThe correct answer is:
A
Max. tension that string can bear = 3.7 kgwt = 37 N
Tension at lowest point of vertical 
= 
\ \ 37 = 5 + 2 w 2 ⇒ ⇒ w = 4 rad/s.
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