Question

A block B of mass 5kg is placed on a slab of mass

Answer 1

the force is more then the limiting friction so ...
kinetic friction comes to act = μN = 0.2 x 5 x 10
= 10 N
so, it also gives the force 10N to the slab
now, acceleration = force/ mass
= 10/20 = 0.5 m/s^2

Answer 2

HERE IS THE ANSWER

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