8. For a bronze alloy with a cross-sectional area of 300 mm² and a modulus of elasticity of 120 GPa, the maximum stress that can be carried by the alloy without plastic deformation is 300 MPa. If the original specimen length is 95 mm, what is the maximum length to which it may be elastically stretched? (a) 0.24 mm (b) 95.24 mm (c) 237.50 mm (d) 332.50 mm
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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