12-05-2010, 08:42 PM
(This post was last modified: 12-05-2010, 08:42 PM by null_trace18.)
(12-05-2010, 07:54 PM)Infinity Wrote: Ek = (1/2)mv^2Wow Infinity, you are one smart mother@#cker... Teach me your ways, lol jk, but ya you just find the formula, square the mass, and plug in. I haven't done equations like this in forever.
Ek = (1/2) x 5kg x (45m/s^2)^2
[without units = Ek = (1/2) x 5 x (45)^2]
Ek = Answer
The other one is potential energy which gets converted into kinetic energy when in motion.
Mechanical energy always stays the same (Ek + Ep) < the ratio between potential energy and kinetic energy changes though.
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