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trapti11

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zorayda

law of conservation of energy

1) who formulated the law of conservation of energy? 2) what is the origin of these law and why is this formulated?
00:22 Fri 10th Dec 20041 answer, last by trapti11 09:50 Wed 25th Feb 2015
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rhythmcrazy

Why could my system be so slow?

Whenever I open anything, whether it is my browser (Opera), email program (Thunderbird), an Ms Word document or Excel workbook, or even Windows Paint (Start/All Programs/Accessories/Paint) - it tells...
15:57 Sat 11th Feb 201224 answers, last by trapti11 09:49 Tue 24th Feb 2015

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