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A cube of mass m is placed on top of a w...

A cube of mass m is placed on top of a wedge of mass 2m, as shown in figure. There is no friction between the cube and the wedge. The minimum co - efficient of friction between the wedge and the horizontal surface, so that the wedge does not move is

A

(a)0.1

B

(b)0.2

C

(c)0.3

D

(d)`(1)/(sqrt2)`

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The correct Answer is:
B
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