{{{D=var('D') z=solve(25*D**2-1==0,D) print z

$\pi r{2} x \rho_{w} g  = - m \frac{d{2}x}{dt^{2}} $

{{{id=1| # but for water rho_w = 1

#given that r = 30 * 10^(-2) m

Buoyant_force = ( ((9.8* (30 * 10^-2)**2))/ 3.1451 )* 9.8 print Buoyant_force #(in newton) /// 2.74827509459159 }}}

{{{id=4|

/// }}}}}}

SageDays/Kreyszig-2.5-8 (last edited 2010-08-11 12:48:51 by SawankumarKhillare)