how many spherical balls of diameter 1cm can be made from an iron ball of diameter 8 cm
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Answered by
21
volume of a sphere=4/3*pi*r^3
volume of solid sphere(r=8c.m.)=4/3*pi*(8^3)
Let n number of small spheres can be made with the large solid
sphere(r=4c.m.).
therefore, 4/3*pi*(8^3)=n * 4/3*pi*(4^3)
or, n=8
therefore,8 spheres can be made.
volume of solid sphere(r=8c.m.)=4/3*pi*(8^3)
Let n number of small spheres can be made with the large solid
sphere(r=4c.m.).
therefore, 4/3*pi*(8^3)=n * 4/3*pi*(4^3)
or, n=8
therefore,8 spheres can be made.
Answered by
12
r=1/2
R=4
Balls made=R3/r3
=64/8=8
R=4
Balls made=R3/r3
=64/8=8
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