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March 3, 2015

March 3, 2015

Posted by **Please Help!** on Monday, November 14, 2011 at 6:59pm.

(Diagram shows equilateral triangle with 500g masses at each point, the distance from point to point is 40cm and it has three 60deg angles [equilateral])

I keep getting the same thing and it's wrong

- Physics -
**bobpursley**, Monday, November 14, 2011 at 7:58pmenergy= 1/2 I w^2

I= 3*mx^2 where cos30=x/.2meter

m= .5kg

w=1.50*2PI rad/sec

- Physics -
**Please Help!**, Monday, November 14, 2011 at 8:12pmI do not understand the part in which you solve for x. Is it supposed to be the cos of 60 equals x divided by .2?

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