Question :
A mass suspended on a frictional less horizontal surface. It is attached to a string and rotates about a fixed centre at an angular velocity w0. If length of the string and angular velocity are doubled the tension in the string which was initially T0 is now
1. 8 T0
2. T0/2
3. 4 T0
4. T0
Answer :
1 - 8 T0
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