ch33-p028 - 28. The mass of the cylinder is m = ( D 2 / 4)...

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28. The mass of the cylinder is ( / 4) , mD H ρπ 2 = where D is the diameter of the cylinder. Since it is in equilibrium 22 net 2 0. 44 r HD g D I Fm g F c ⎛⎞ π =− = = ⎜⎟ ⎝⎠ We solve for H : 2 8 3 3 7 1 /4 2(4.60W) m) / 4](9.8m/s )(3.0 10 m/s)(1.20 10 kg/m )
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