Comments on: How can I find the Kinetic Energy of an element based system? http://priekaparki.org/element/how-can-i-find-the-kinetic-energy-of-an-element-based-system Mon, 15 Feb 2010 10:10:59 -0500 http://wordpress.org/?v=2.8.2 hourly 1 By: billrussell42 http://priekaparki.org/element/how-can-i-find-the-kinetic-energy-of-an-element-based-system/comment-page-1#comment-4759 billrussell42 Thu, 17 Dec 2009 07:40:59 +0000 http://priekaparki.org/element/how-can-i-find-the-kinetic-energy-of-an-element-based-system#comment-4759 add them up. energy is a scalar, so it adds easily. Kinetic Energy in J if m is in kg and V is in m/s KE = ½mV² Angular kinetic energy K in Joules K = ½Iω² ω is angular velocity in radians/sec I is moment of inertia I = cMR² M is mass, R is radius c = 1 for a ring or cylinder c = 2/5 solid sphere C = 1/2 solid cylinder or disk around its center .<br><b>References : </b><br> add them up. energy is a scalar, so it adds easily.

Kinetic Energy in J if m is in kg and V is in m/s
KE = ½mV²

Angular kinetic energy K in Joules
K = ½Iω²
ω is angular velocity in radians/sec
I is moment of inertia
I = cMR²
M is mass, R is radius
c = 1 for a ring or cylinder
c = 2/5 solid sphere
C = 1/2 solid cylinder or disk around its center

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References :

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