document.write( "Question 1198189: A ramp is 15 feet across horizontally at the base, and rises 4 feet high. A water skier travels at a speed of 30 ft/s. How fast is she rising as she leaves the ramp? \n" ); document.write( "

Algebra.Com's Answer #831745 by ikleyn(52794) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The method of solution is to apply the mechanical energy conservation law,\r
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\n" ); document.write( "\n" ); document.write( "but when the input data is given in feet and lbs, it generates disgust instead of enthusiasm.\r
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\n" ); document.write( "\n" ); document.write( "In Physics, it is just LONG TIME (at least 60 years (!) ) nobody solves such problems using such obsolete units.\r
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\n" ); document.write( "\n" ); document.write( "Feet and pounds are still good in the US in stores (unfortunately, since they are not used anywhere more \r
\n" ); document.write( "\n" ); document.write( "in the world, even in the old Great Britain), but not in Physics and not in education, in general.\r
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\n" ); document.write( "\n" ); document.write( "                  Do not try to revive a corpse, which is not alive just more than 60 years.\r
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