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392m sec(a)1msecA particle is projected along a line of greatest slope up a rough plane inelined at an angle of 45° with thehorizontal. If the coefficient of friction is , then the retardation ia16.สาว ล

Answer»

Net retarding force = {mg*(sin 45) + 0.5*mg*(cos 45)} orretardation = [{mg*(sin 45) + 0.5*mg*(cos 45)}/m]= (g/√2)*[1+0.5] = {3/(2√2)}*g = 1.06*g = 10.405 m/s²



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