a steel container full of steel is pulled upwards against an incline of 30° by a tractor the mass of steel container is 1,2 tons. the pulling force of the rope forms an angle of 15°with the incline. the coefficient of friction between the surface in contact is 0,3 calculate the tensile force in the rope​

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.