Question 1178096


Volume of metal is External volume - Internal volume

= 4/3 * pi* r1^3-4/3 * pi r2 ^3

= 4/3 * pi * (r1^3-r2^3)

= 4/3 *3.14 * (6^3-5.6^3)

volume of metal = 169 cm^3
density = 8.8 gm/cm^3

weight = 169.07 * 8.8 =1488 grams