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PE Diagram

A body with m...

Question

A body with mass $2 k g$ moves in one direction in the presence of a force which is described by the potential energy graph .If the body is released from rest at $x = 2 m$ ,then its speed when it crosses $x = 5 m$ is.

A

Zero

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B

3 m s^{- 1}

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C

2 m s^{- 1}

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D

1 m s^{- 1}

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Solution

The correct options are
B $3 m s^{- 1}$
D $1 m s^{- 1}$

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