[Phsyics] Dimensional analysis problem plzzz help ?
The figure below shows a part of a cone. Fig (http://i411.photobucket.com/albums/pp195/spirit2oy...
What are the dimensions of A, B, and C in the
following geometrical expressions?
(a) A = π(r1 + r2)[h2 + (r1 – r2)2]1/2
(b) B = πh(r12 + r1r2 + r22)
(c) C = 2π(r1 + r2)
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A has units of [length]^2
B has units of [length]^3
C has units of [length]