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April 17, 2014

April 17, 2014

Posted by **rose** on Tuesday, May 15, 2012 at 2:28pm.

- physics -
**Elena**, Tuesday, May 15, 2012 at 2:44pmm1=10 kg, m2 = 4 kg, α = 40º.

m1•a= m1•g -T,

m2•a = T – m2•g•sinα,

a•(m1 +m2) = m1•g –T+T- m2•g•sinα =

= g•(m1 – m2•sinα),

a= g•(m1 – m2•sinα)/(m1 +m2),

T = m1•(g -a).

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