the body of mass 2 kg is moving on a ground comes to rest after sometime the coefficient of kinetic friction between the body and the ground is 0.2 the retardation in the body is
a.9.8 c.2.16
b.4.73 d.1.96
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normal force=mg=20 N
friction force=(coeff)*normal force=0.2*20=4N
retardation=force/mass=4/2=2m/(s^2)
a=2
friction force=(coeff)*normal force=0.2*20=4N
retardation=force/mass=4/2=2m/(s^2)
a=2
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