Question

how many balls each of radius 1 cm can be made from a solif phere of lead of radius 8 cm?

Answer 1

HI FRIEND YOU R ANSWER IS


NO. OF BALL MADE
= VOLUME OF BIG SPHERE / VOLUME OF SMALL BALLS
= 4
$\frac{4}{3 } \pi {r}^{3}$
/
$\frac{4}{3} \pi \: x ^{3}$
=8^3/1^3
=512 balls