Question 4 4.1 Calculate the safe height of a slope with a safety factor = 2. The values of the parameters are displayed in the table below. (8) Value 2 10 18 ? Parameters Factor of safety Effective cohesion Angle of internal friction Vertical height of soil column Angle between horizontal plane and the soil/rock interface Unit weight of the soil Saturated unit weight of the soil Unit weight of water (9.81 kN/m^2) 25 2 17 9.81