On the continuation of the axis of a thin straight rod, uniformly charged, with a linear charge density τ = 1 nC/cm, at a distance a = 10 cm from the end of the rod, there is a point charge Q = 0.1 μC. The second end of the rod goes to infinity. Determine the force of interaction between the rod and the point charge, as well as the field strength at the point where the charge is located.
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