Respostas

  • Usuário do Brainly
2014-06-12T15:03:42-03:00
Vc= Sb.h.1/3
Sb=Pi.r²
r=h/2

Vc=Pi.(h/2)².h.1/3
Vc=Pi.h³/12

dVc/dt= dVc/dh.dh/dt  ~~ notação de laibis.

~~dVc/dh =Pi.h²/4

~~dVc/dt=8

dh/dt=?

8=Pi.6²/4 . dh/dt
~~~~dh/dt=8/9pi m³ /min 


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