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A block of mass 4 kg is placed on a rough horizontal plane. A time depedent force F=kt2 acts on the block, where k=2 N/s2. Coefficient of static friction μ=0.8. Force of friction between the block and the plane at t=2 s is

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A block of mass 4 kg is placed on a rough horizontal plane. A time depedent force F=kt2 acts on the block, where k=2 N/s2. Coefficient of static friction μ=0.8. Force of friction between the block and the plane at t=2 s is



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