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A bead slides from point P on a friction...

A bead slides from point P on a friction less wire with initial velocity of `4 m s^(-1)` as shown in figure. On reaching point R, its velocity will be (Take g = `10 m s^(-2)`)

A

Zero

B

`10.4 ms^(-1)`

C

`6.4 ms^(-1)`

D

`8.2 ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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