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Engineering

A block of mass 5 kg is placed at rest on a table of rough surface. Now, if a force of 30 N is applied in the direction parallel to surface of the table, the block slides through a distance of 50 m in an interval of time 10 s. Coefficient of kinetic friction is (given, g = 10 ms210 \text{ ms}^{-2}): [Diagram: Block on a rough surface with applied force F=30N]