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The sap in tree rises in a system of cap...

The sap in tree rises in a system of capillaries of radius `2.5 xx 10^(-2) N m^(-1)` and the angle of contact is `0^(@)`. The maximum height to which sap can rise in tree through capillarity action is `(rho_("sap")=10^(3) kg m^(-3))`

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