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In the figure shown all the surfaces are...

In the figure shown all the surfaces are frictionless, and mass of the block 'm' is 1 kg. The block and wedge are held initially at rest. Now wedge is given a horizontal acceleration of `5 m/s^(2)` by applying a force on the wedge, so that the block does not slip on the wedge. Then work done by the normal force in ground frame on the block in 2 sec is :
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In the figure shown all the surfaces are frictionless and mass of block m=1kg , block and wedge are held initially at rest, now wedge is given a horizontal acceleration of 10 m//s^(2) by applying a force on the wedge so that the block does not slip on the wedge, the work done by normal force in ground frame on the block in sqrt(3) sec is .

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