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javashackgirl
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Homework Statement
an aluminum object with volume 100 cm^3 and density 2700 kg/m^3 is suspended in ethyl alcohol (density 790) by a string. what's the tension in the string?
Homework Equations
Fy = Fb + T - mg
T = mg - Fb
Fb = p_f * v_f * g = p_o * v_o * g
The Attempt at a Solution
=(p_o - p_f)p_f*v_o*g
=(2700 - 790)(790)(1*10^-4)(9.81)
Thanks!