<svg xmlns="http://www.w3.org/2000/svg" xmlns:wrs="http://www.wiris.com/xml/mathml-extension" height="41" width="30" wrs:baseline="26"><!--MathML: <math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mi>Mv</mi><mn>2</mn></mfrac></math>--><defs><style type="text/css"/></defs><line stroke="#000000" stroke-linecap="square" stroke-width="1" x1="2.5" x2="26.5" y1="20.5" y2="20.5"/><text font-family="Arial" font-size="16" text-anchor="middle" x="14.5" y="15">Mv</text><text font-family="Arial" font-size="16" text-anchor="middle" x="14.5" y="37">2</text></svg>