A sphere made out of a material that has a density of $"2.7 g cm"^(-3)$ has a mass of $"82 g"$ . What is the radius of the sphere?

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Answer 1 · 2015-01-10T19:43:15

The radius= 1.08cm = 0.43in

$density=(mass)/(volume)$

$Volume = (mass)/(density)$

$Volume=(82)/(2.7)=30.37cm^3$

The volume of a sphere is given by:

$V =4/3pir^3$

So $r^3=(3V)/(4pi) =(3xx30.37)/(4xx3.142)=1.274$

$r = 1.084cm$

A sphere made out of a material that has a density of "2.7 g cm"^(-3)"2.7 g cm"^(-3) has a mass of "82 g""82 g". What is the radius of the sphere?