A cone of relative density 0.8 is to float in water with its axis vertical and vertex downwards. Find the least apex angle of the cone for stable equilibrium.

A cone of relative density 0.8 is to float in water with its axis vert

1.	A cone of relative density 0.8 is to float in water with its axis vertical and vertex downwards. Find the least apex angle of the cone for stable equilibrium.
A.	30°03'33"
B.	51°03'33"
C.	41°03'33"
D.	21°03'33"
Answer» B. 51°03'33"

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A cone of relative density 0.8 is to float in water with its axis vertical and vertex downwards. Find the least apex angle of the cone for stable equilibrium.

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