A block (A) of mass 20 kg is put on a frictionless surface and another object (B) of mass 2 kg is placed over it. The coefficient of friction between the surface of A and B is 0.25. If a horizontal force of 10 N applied on B, then acceleration of A and B are respectively A 2.5 m/s2 and 0.25 m/s2 B 5 m/s2 and 0.091 m/s2 C 5 m/s2 and 0.5 m/s2 D 2.5 m/s2 and 0.2 m/s2
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