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Question

The figure shows mass m with velocity U. Ring is restricted to move on smooth fixed horizontal rod. The velocity of ring at that moment is :



Your Answer
A
U2
Correct Answer
B
2U
Your Answer
C
2U3
Your Answer
D
3U2

Solution

The correct option is A 2U
Velocity along string remains same.
VRcosθ=U
VR=Ucosθ
θ=60
VR=2U

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