$1.$ A rock core $50$ mm in diameter and $150$ mm long was tested to destruction in a laboratory. During the test the measurements shown in the table right were recordeda. Determine the UCS and Young's Modulus of the core.$($Ans $180$MPa, $72$GPa$)$Force $($kN$)$Longitudinal deformation $($mm$)00850\mathrm{.}0901640\mathrm{.}1742250\mathrm{.}2393000\mathrm{.}3183530\mathrm{.}3752850\mathrm{.}302$b$.$ At failure the diameter was $50\mathrm{.}0225$mm$.$ Determine Poisson's ratio.$($Ans $0\mathrm{.}18)2.$ Explain the effect of rock density on the blast results$3.$ Comparing a high and low density rock which would require the most energy?$4.$ Name the two products of an explosive detonating that is responsible for the rock breakage process$\mathrm{.}5.$ Describe the process in which the compressive shock wave breaks rock. Use diagrams where applicable$\mathrm{.}6.$ Describe the rock breakage process due to the high pressure gases. Use diagrams where applicable$\mathrm{.}7.$ What factors determine the amount of rock displacement due to a single blast hole$\mathrm{.}8.$ What two additional factors influence the rock displacement during a mine blast when multiple blast holes are detonated $($fired$)\mathrm{.}9.$ Describe energy partitioning of an explosive$10.$ Comparing the face velocity produced by a blast in weak rock and strong rock, assuming the same explosive and blast geometry which rock would have the higher face velocitya. Explain your answer.