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A block of mass 2kg released from the to...

A block of mass 2kg released from the top of a smooth fixed wedge inside the elevator which is moving downward with an acceleration a = `5` m/s^2 as shown in the figure.The value of acceleration of the block w.r.t wedge will be (g = 10 m/s^2)

A

`10 m/s^2`

B

`5` m/s^2

C

`2.5` m/s^2

D

`5sqrt2` m/s^2

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