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The potential energy of a particle of ma...

The potential energy of a particle of mass m is given by `U=(1)/(2)kx^(2)` for `x lt 0` and U = 0 for `x ge 0`. If total mechanical energy of the particle is E. Then its speed at `x = sqrt((2E)/(k))` is

A

Zero

B

`sqrt((2E)/(m))`

C

`sqrt((E)/(m))`

D

`sqrt((E)/(2m))`

Text Solution

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The correct Answer is:
B
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