d *4/3 PI 3.54^3= 1/3*d *4PI/3 r^3
(d is density)
r^3=3.54^3 *3
r=3.54 * cubr(3)
Two spheres are cut from a certain uniform rock. One has radius 3.54 cm. The mass of the other is 3 times greater. Find its radius.
1 answer