A graduated cylinder is filled to the 40.00mL mark with a mineral oil. The mass

erq25131
timer Asked: Sep 3rd, 2014

Question Description

A graduated cylinder is filled to the 40.00mL mark with a mineral oil.  The masses of the cylinder before and after the addition of the mineral oil are 124.966 g and 159.446 g, respectively.  In a separate experiment, a metal ball bearing of mass 18.713 g is placed in the cylinder and the cylinder is again filled to the 40.00 mL mark with mineral oil.  The combined mass of the ball bearing and mineral oil is 50.952 g.  Calculate the density and radius of the ball bearing.  (The volume of a sphere of radius r is (4/3)pr3.) 


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