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Physics- Help! Due soon!

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Two packing crates of masses m1 = 10.0 kg and m2 = 5.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 5.00 kg crate lies on a smooth incline of angle 40.0°. Find the acceleration of the 5.00 kg crate.
Find the tension on the string.

  • Physics- Help! Due soon! -

    m1•a=m1•g –T
    a(m1+m2)= m1•g –T+ T-m2•g•sinα,
    a=g•(m1+m2•sin α)/(m1+m2) = ...
    T= m1•(g-a)=...

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