Explanation
The problem involves finding the apparent cohesion and angle of shearing resistance of the soil from the given shear load and normal load data. The cohesion is calculated using the formula c = (σ_n2 - σ_n1) / 2, where σ_n1 and σ_n2 are the normal loads at the start and end of the shear test. The angle of shearing resistance is calculated using the formula φ = tan^-1((σ_s2 - σ_s1) / (σ_n2 - σ_n1)), where σ_s1 and σ_s2 are the shear loads at the start and end of the shear test. For the unconfined compression test, the cohesion is calculated using the formula c_u = (σ_u / 2) = (σ_u / (2 * (1 + sin(φ))))
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