Asked by Stephen

if V(r)=4/3 pir^(3) find (v2r)/(vr)

9 years ago

Answered by Steve

let's just call 4/3 pi = k since it does not depend on r.

v(2r)/v(r)

= k(2r)^3/kr^3
= 8kr^3/kr^3
= 8

9 years ago

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