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Kinetic Friction

A block of ma...

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A block of mass 5 kg is placed on a plank of mass 10kg which is placed on the smooth horizontal surface. If a 100 N force is applied on the plank, then acceleration of plank w.r.t ground is(coefficient of friction between block and plank μ(s)=μ(k)=0.4 and g=10m/s^2)-

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