1.

What is the density of a liquid of mass 10 kg and contained in a cylinder of radius 5 m and surface area (excluding top and bottom) of 10π m2?$

A. 0.2π kg/m<sup>3</sup>
B. 0.4π kg/m<sup>3</sup>
C. 0.5π kg/m<sup>3</sup>
D. 0.6π kg/m<sup>3</sup>
Answer» C. 0.5‚âà√¨‚àö√ë kg/m<sup>3</sup>


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