Acarbon steel ball with 25-mm diameter is pressed together with an aluminum ball with a 40-mm diameter by a force of 10 n. determine the maximum shear stress, and the depth at which it will occur for the aluminum ball. assume a typical poisson's ratio of 0.3, is applicable to estimate the depth at which the maximum shear stress occurs for these materials.

energy can cross the boundaries of a closed system in the form of heat and mass

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b. check your rearview mirror

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assault rifle is a rapid-fire, magazine-fed rifle designed for military use. it is a shoulder-fired weapon that allows the shooter to select between semi-automatic (requiring you pull the trigger for each shot), fully automatic (hold the trigger and the gun continuously fires) or three-shot-burst modes.