During bench blasting in a quarry, 50 kg of an explosive with a yield of 5 MegaJoule/kg is required
Q. During bench blasting in a quarry, 50 kg of an explosive with a yield of 5 MegaJoule/kg is required to break 100 m3 of marble. In this case, the energy expended in breaking a unit volume of marble in MegaNewton/m2 would be
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